Gran Tierra Energy Inc. Analysis Across the Oil and Gas Value Chain Report, 2013 Update

Gran Tierra Energy Inc. Analysis Across the Oil and Gas Value Chain Report, 2013 Update

Gran Tierra Energy Inc. Analysis Across the Oil and Gas Value Chain Report, 2013 Update

Summary

"Gran Tierra Energy Inc." Analysis Across the Oil and Gas Value Chain is an essential source for data, analysis and strategic insight into “Gran Tierra Energy Inc.”. The report provides key information relating to oil and gas assets of the company along with its operations across the value chain. The report examines the company’s business structure, operations and products, and provides an analysis of its key revenue lines.

Scope

- Provides information on length or historical production or capacity data on Company’s oil and gas assets across the value chain
- Forecast capacity of major oil and gas assets to 2017
- Reports oil and gas assets of the company in different countries including operator and equity details for major oil and gas assets
- Details on company’s business description, locations and subsidiaries as well as a list of products and services
- Latest mergers and acquisitions, partnerships or financings of the company including debt, equity or venture finance.

Note*: Some sections may be missing if data is unavailable for the company.

Reasons to buy

- Research your competitors business structure, strategy and prospects
- Assess your competitor’s major energy assets and their historic and forecast performances
- Identify and assess potential corporate and asset investment opportunities
- Support sales activities by understanding your customers businesses better
- Qualify prospective partners and suppliers
- Obtain up to date company information.
Table of Contents

Table of Contents 2
List of Tables 6
List of Figures 14
Company Snapshot 15
Company Overview 15
Key Information 15
Financial Performance 15
Gran Tierra Energy Inc. , Exploration and Production Summary 16
Gran Tierra Energy Inc. , Active Exploration Blocks, by Country, 2003-2012 16
Gran Tierra Energy Inc., Crude Oil Production, by Country, 2003-2012 17
Gran Tierra Energy Inc., Natural Gas Production, by Country, 2003-2012 18
Gran Tierra Energy Inc., Crude Oil and Natural Gas Production By Fields 19
Gran Tierra Energy Inc., Crude Oil Production 19
Gran Tierra Energy Inc., Crude Oil Production in Argentina, By Fields 19
Gran Tierra Energy Inc., Crude Oil Production in Brazil, By Fields 19
Gran Tierra Energy Inc., Crude Oil Production in Colombia, By Fields 20
Gran Tierra Energy Inc., Natural Gas Production 21
Gran Tierra Energy Inc., Natural Gas Production in Argentina, By Fields 21
Gran Tierra Energy Inc., Natural Gas Production in Brazil, By Fields 22
Gran Tierra Energy Inc., Natural Gas Production in Colombia, By Fields 22
Crude Oil And Natural Gas Production Forecasts, 2013-2020 23
Gran Tierra Energy Inc.'s Exploration Blocks Details 24
Block 107's Exploration Details 24
Gran Tierra Energy Inc.'s News Details, Block 107 24
Gran Tierra Energy Inc.'s Deals Details, Block 107 33
Block 123's Exploration Details 34
Gran Tierra Energy Inc.'s News Details, Block 123 34
Gran Tierra Energy Inc.'s Deals Details, Block 123 39
Block 95's Exploration Details 41
Gran Tierra Energy Inc.'s News Details, Block 95 41
Gran Tierra Energy Inc.'s Deals Details, Block 95 52
CAL-M-120's Exploration Details 54
Gran Tierra Energy Inc.'s News Details, CAL-M-120 54
Gran Tierra Energy Inc.'s Deals Details, CAL-M-120 57
CAL-M-186's Exploration Details 58
Gran Tierra Energy Inc.'s News Details, CAL-M-186 58
Azar's Exploration Details 60
Gran Tierra Energy Inc.'s News Details, Azar 60
Gran Tierra Energy Inc.'s Deals Details, Azar 87
Block 129's Exploration Details 88
Gran Tierra Energy Inc.'s News Details, Block 129 88
Gran Tierra Energy Inc.'s Deals Details, Block 129 93
REC-T-129's Exploration Details 95
Gran Tierra Energy Inc.'s News Details, REC-T-129 95
Gran Tierra Energy Inc.'s Deals Details, REC-T-129 104
REC-T-142's Exploration Details 105
Gran Tierra Energy Inc.'s News Details, REC-T-142 105
Gran Tierra Energy Inc.'s Deals Details, REC-T-142 120
REC-T-155's Exploration Details 121
Gran Tierra Energy Inc.'s News Details, REC-T-155 121
Gran Tierra Energy Inc.'s Deals Details, REC-T-155 134
REC-T-224's Exploration Details 135
Gran Tierra Energy Inc.'s News Details, REC-T-224 135
Gran Tierra Energy Inc.'s Deals Details, REC-T-224 140
Puesto Guevara's Exploration Details 141
Gran Tierra Energy Inc.'s News Details, Puesto Guevara 141
Sierra Nevada's Exploration Details 146
Gran Tierra Energy Inc.'s News Details, Sierra Nevada 146
Gran Tierra Energy Inc.'s Deals Details, Sierra Nevada 164
Vaca Mahuida's Exploration Details 165
Gran Tierra Energy Inc.'s News Details, Vaca Mahuida 165
Gran Tierra Energy Inc.'s Deals Details, Vaca Mahuida 173
Chaza's Exploration Details 174
Gran Tierra Energy Inc.'s News Details, Chaza 174
Garibay's Exploration Details 212
Gran Tierra Energy Inc.'s News Details, Garibay 212
Gran Tierra Energy Inc.'s Deals Details, Garibay 220
LLA 22's Exploration Details 221
Gran Tierra Energy Inc.'s News Details, LLA 22 221
Gran Tierra Energy Inc.'s Deals Details, LLA 22 226
Block 133's Exploration Details 227
Gran Tierra Energy Inc.'s News Details, Block 133 227
Gran Tierra Energy Inc.'s Deals Details, Block 133 230
PUT 1's Exploration Details 231
Gran Tierra Energy Inc.'s News Details, PUT 1 231
Turpial's Exploration Details 233
Gran Tierra Energy Inc.'s News Details, Turpial 233
Gran Tierra Energy Inc.'s Deals Details, Turpial 237
Putumayo Piedemonte Norte's Exploration Details 238
Gran Tierra Energy Inc.'s News Details, Putumayo Piedemonte Norte 238
Gran Tierra Energy Inc.'s Deals Details, Putumayo Piedemonte Norte 245
Putumayo Piedemonte Sur's Exploration Details 246
Gran Tierra Energy Inc.'s News Details, Putumayo Piedemonte Sur 246
RUMIYACO's Exploration Details 256
Gran Tierra Energy Inc.'s News Details, RUMIYACO 257
PUT 10's Exploration Details 267
Gran Tierra Energy Inc.'s News Details, PUT 10 267
Magdalena's Exploration Details 268
Gran Tierra Energy Inc.'s News Details, Magdalena 268
Sinu-1 (SN 1)'s Exploration Details 269
REC-T-117's Exploration Details 269
REC-T-86's Exploration Details 270
REC-T-118 (Reaward)'s Exploration Details 270
Gran Tierra Energy Inc.'s Field Details 271
SEÑAL PICADA - PUNTA BARDA's Field Details 271
Gran Tierra Energy Inc.'s News Details, SEÑAL PICADA - PUNTA BARDA 271
Gran Tierra Energy Inc.'s Deals Details, SEÑAL PICADA - PUNTA BARDA 273
Guayuyaco's Field Details 274
Gran Tierra Energy Inc.'s News Details, Guayuyaco 274
Guepaje's Field Details 288
Gran Tierra Energy Inc.'s News Details, Guepaje 288
RINCONADA-PUESTO MORALES's Field Details 291
Gran Tierra Energy Inc.'s News Details, RINCONADA-PUESTO MORALES 291
EL VINALAR's Field Details 309
Gran Tierra Energy Inc.'s Deals Details, EL VINALAR 309
Costayaco's Field Details 310
Gran Tierra Energy Inc.'s News Details, Costayaco 310
PALMAR LARGO's Field Details 358
EL CHIVIL's Field Details 359
Surubi's Field Details 360
Gran Tierra Energy Inc.'s News Details, Surubi 360
PUESTO MORALES ESTE's Field Details 363
PA-1ALV1BA (REC-T-129)'s Field Details 363
PA-1ALV2BA (REC-T-155)'s Field Details 364
Linda's Field Details 364
Toroyaco's Field Details 365
Juanambu's Field Details 366
Gran Tierra Energy Inc.'s News Details, Juanambu 366
Moqueta's Field Details 370
Gran Tierra Energy Inc.'s News Details, Moqueta 370
Mary's Field Details 388
Miraflor's Field Details 389
Melero's Field Details 390
Gran Tierra Energy Inc.'s News Details, Melero 390
Jilguero's Field Details 393
Gran Tierra Energy Inc.'s News Details, Jilguero 393
RINCONADA-PUESTO MORALES's Field Details 396
La Pinta's Field Details 397
Brillante SE's Field Details 397
Ramiriqui's Field Details 398
TIE's Field Details 398
Gran Tierra Energy Inc. Gas Processing Operations 399
Gran Tierra Energy Inc. Operations by Country 399
Gran Tierra Energy Inc., Gas Processing Plant Details 400
Gran Tierra Energy Inc., Valle Morado Gas Plant- Gran Tierra 400
Key Employees 401
Key Employee Biographies 402
Gran Tierra Energy Inc. - Major Products and Services 403
History 404
Company Statement 407
Locations And Subsidiaries 410
Head Office 410
Other Locations & Subsidiaries 410
Business Description 411
Business Overview 411
SWOT Analysis 413
Overview 413
Gran Tierra Energy Inc. Strengths 413
Strong Marketing Approach 413
Substantial Reserve Base 413
Acreage Position 414
Gran Tierra Energy Inc. Weaknesses 414
Limited Cash Position 414
Gran Tierra Energy Inc. Opportunities 414
Global Crude oil and Liquid Fuel Consumption 414
New Licensing Round: Brazil 414
Capital Expenditure Program 2013 415
Gran Tierra Energy Inc. Threats 415
Stringent Emission Standards 415
Exploration Production & Development Risks 415
Volatility in Oil & Natural Gas Prices 415
Gran Tierra Energy Inc. - Key Competitors 416
Recent Developments 417
Jul 22, 2013: Gran Tierra Energy to Host Second Quarter 2013 Earnings Conference Call 417
May 28, 2013: Gran Tierra Energy Provides Peruvian Drilling Update 417
May 14, 2013: Gran Tierra Energy Awarded Three Onshore Exploration Licenses In 11th Brazilian Licensing Round 2013 417
May 06, 2013: Gran Tierra Energy Reports Revenue Of US$205.4 Million In Q1 2013 418
Apr 17, 2013: Gran Tierra Energy Provides Operations Update 419
Feb 26, 2013: Gran Tierra Energy Reports Revenue Of US$ 583.1MM In 2012 420
Feb 21, 2013: Gran Tierra Energy Tests 1,984bopd With Peru Discovery Well 421
Feb 11, 2013: Gran Tierra Energy Announces Oil Discovery In Peru 422
Feb 11, 2013: Gran Tierra Energy Provides Update On Appraisal Drilling In Colombia 423
Feb 04, 2013: Gran Tierra Energy Provides Reserves Update 423
Appendix 425
Market Definitions 425
Methodology 425
Coverage 425
Secondary Research 425
Primary Research 426
Expert Panel Validation 426
Contact Us 426
Disclaimer 426



List of Tables

Gran Tierra Energy Inc., Key Facts 15
Gran Tierra Energy Inc., Number of Exploration Blocks, by Country, 2003-2012 16
Gran Tierra Energy Inc., Equity Weighted Gross Crude Oil Production (BBls), by Country, 2003-2012 17
Gran Tierra Energy Inc., Equity Weighted Natural Gas Production (MMcf), by Country, 2003-2012 18
Gran Tierra Energy Inc., Crude Oil Production (BBls) By Fields in Argentina, 2003-2012 19
Gran Tierra Energy Inc., Crude Oil Production (BBls) By Fields in Brazil, 2003-2012 19
Gran Tierra Energy Inc., Crude Oil Production (BBls) By Fields in Colombia, 2003-2012 20
Gran Tierra Energy Inc., Natural Gas Production (MMcf), By Fields in Argentina, 2003-2012 21
Gran Tierra Energy Inc., Natural Gas Production (MMcf), By Fields in Brazil, 2003-2012 22
Gran Tierra Energy Inc., Natural Gas Production (MMcf), By Fields in Colombia, 2003-2012 22
Crude Oil Production Forecasts (Boe) by Fields, 2012-2020 23
Natural Gas Production Forecasts (MMcf) by Fields, 2012-2020 23
Gran Tierra Energy Inc.'s Asset Details, Block 107 24
Gran Tierra Energy Provides Q3 2012 Operations Update 24
Petrolifera Petroleum Provides Q1 2010 Operational Update 26
Petrolifera Petroleum Provides Operations Update 27
Petrolifera Petroleum Wins Block 133 In Peru 28
Petrolifera Petroleum Submits EIS For Drilling Block 107 In Ucayali Basin, Peru 28
Petrolifera Provides Operational Update 28
Petrolifera Secures Drilling Rig From Petrex For Its Upcoming Colombia And Peru Drilling Campaigns 30
Petrolifera Reports 2007 Operations Updates 30
Petrolifera Updates On RN. PM. a-1061 Well 32
Petrolifera Petroleum Plans To Farm-Out Its Interest In Blocks 107 And 133 Onshore Peru 33
Gran Tierra Energy Inc.'s Asset Details, Block 123 34
Gran Tierra Energy Provides Operations Update 34
Gran Tierra Energy Provides Q3 2012 Operations Update 36
ConocoPhillips Opts Out Of Exploration In Two Peru Blocks 38
Talisman Energy Decides To Exit Peru 38
Gran Tierra Energy Provides Operations Update 38
Gran Tierra Energy To Acquire Additional 45% Interest In Two Exploration Blocks In Peru From ConocoPhillips 39
Talisman Energy To Sell Talisman Peru 40
Gran Tierra Energy Completes Acquisition Of 20% Interest In Blocks 123, 124 And 129 In Peru From ConocoPhillips 40
Gran Tierra Energy Inc.'s Asset Details, Block 95 41
Gran Tierra Energy Provides Peruvian Drilling Update 41
Gran Tierra Energy Provides Operations Update 42
Gran Tierra Energy Tests 1,984bopd With Peru Discovery Well 43
Gran Tierra Energy Provides Operations Update 43
Gran Tierra Energy Provides Q3 2012 Operations Update 45
Gran Tierra Energy Provides Operations Update 47
Global Energy Development Provides Operational Update 49
Global Energy Development Provides Update On Block 95 In Maranon Basin, Peru 50
Gran Tierra Energy Provides Operations Update 50
Global Energy Seeks Partner To Develop Colombian Reserves 52
Gran Tierra Energy Completes Acquisition Of Remaining 40% Interest In Block 95 In Peru From Global Energy Development For US$5.3 Million 52
Gran Tierra Energy Completes Acquisition Of 60% Interest In Block 95 From Global Energy Development 53
Gran Tierra Energy Inc.'s Asset Details, CAL-M-120 54
Gran Tierra Energy Provides Operations Update 54
Gran Tierra Energy Initiates Exploration Drilling Operations In Brazil And Colombia 55
Gran Tierra Energy Completes Acquisition Of 10% Working Interest In BM-CAL-7 Exploration License In Brazil From Statoil do Brasil For US$0.7 Million 57
Gran Tierra Energy Inc.'s Asset Details, CAL-M-186 58
Gran Tierra Energy Provides Operations Update 58
Gran Tierra Energy Inc.'s Asset Details, Azar 60
Gran Tierra Energy Provides Q3 2012 Operations Update 60
Gold Oil Provides Colombian Operations Update 62
Gold Oil Provides Colombian Drilling Operations Update 62
Gold Oil Provides Drilling Update 63
Gran Tierra Energy Provides Operations Update 63
Gold Oil Spuds La Vega Este -1 Well In Azar Block, Colombia 65
Gran Tierra Energy Confirms New Oil Discovery With 2,525bopd Production Test At Ramiriqui-1 In Colombia 65
Gold Oil Provides Colombian Operations Update 66
Gran Tierra Energy Provides South America Drilling Operations Update 66
Gold Oil Provides Operational Update 67
Gold Oil Reports Revenue Of £1.2m In Fiscal 2011 68
Gold Oil Provides Operational Update 68
Gold Oil Provides Colombia Operations Update 69
Alange Energy Updates On Topoyaco-2 Exploration Well In Colombia 69
Gran Tierra Energy Provides Q1 2010 Operations Update 70
Gold Oil Provides Operations Update 72
Gold Oil Reports H1 Fiscal 2010 Results 73
Gran Tierra Energy Announces Capital Spending Of $195 Million For 2010 75
Gold Oil Updates On Its Colombia Operations 77
Gold Oil Provides Operations Update 78
Gold Oil Provides Colombia Operations Update 79
Gran Tierra Energy Provides Q2 2009 Operations Update 80
Gold Oil Updates On Its Operations In Colombia And Peru 82
Gold Oil Provides Operational Update 83
Gran Tierra Reports 2Q 2008 Results 84
Gran Tierra Encounters Good Oil Shows At Costayaco-5 In Colombia 85
Gold Oil Acquires Panamanian Company 87
Gran Tierra Energy Inc.'s Asset Details, Block 129 88
Gran Tierra Energy Provides Operations Update 88
Gran Tierra Energy Provides Q3 2012 Operations Update 90
ConocoPhillips Opts Out Of Exploration In Two Peru Blocks 92
Talisman Energy Decides To Exit Peru 92
Gran Tierra Energy Provides Operations Update 93
Gran Tierra Energy To Acquire Additional 45% Interest In Two Exploration Blocks In Peru From ConocoPhillips 93
Gran Tierra Energy Completes Acquisition Of 20% Interest In Blocks 123, 124 And 129 In Peru From ConocoPhillips 94
Gran Tierra Energy Inc.'s Asset Details, REC-T-129 95
Gran Tierra Energy Provides Operations Update 95
Fortress Energy Reports Q2 2012 Results 96
Gran Tierra Energy Provides South America Drilling Operations Update 96
Gran Tierra Energy Announces Initial Drilling Results In Colombia, Brazil And Argentina 97
Gran Tierra Energy Initiates Exploration Drilling Operations In Brazil And Colombia 99
Gran Tierra Energy Provides Operations Update 100
Gran Tierra Energy Provides Operations Update 102
Gran Tierra Energy Provides Operations Update 103
Gran Tierra Energy Acquires 70% Interest In Blocks REC-T-129, 142, 155 And 224 From Alvorada 104
Gran Tierra Energy Inc.'s Asset Details, REC-T-142 105
Gran Tierra Energy Provides Operations Update 105
Gran Tierra Energy Provides Operations Update 106
Gran Tierra Energy Provides Q3 2012 Operations Update 108
Fortress Energy Reports Q2 2012 Results 110
Gran Tierra Energy Provides Operations Update 110
Gran Tierra Energy Provides South America Drilling Operations Update 111
Gran Tierra Energy Announces Initial Drilling Results In Colombia, Brazil And Argentina 113
Gran Tierra Energy Initiates Exploration Drilling Operations In Brazil And Colombia 114
Gran Tierra Energy Provides Operations Update 115
Gran Tierra Energy Provides Operations Update 117
Gran Tierra Energy Provides Operations Update 118
Gran Tierra Energy Acquires 70% Interest In Blocks REC-T-129, 142, 155 And 224 From Alvorada 120
Gran Tierra Energy Inc.'s Asset Details, REC-T-155 121
Gran Tierra Energy Provides Operations Update 121
Gran Tierra Energy Provides Operations Update 123
Gran Tierra Energy Provides Q3 2012 Operations Update 123
Fortress Energy Reports Q2 2012 Results 126
Gran Tierra Energy Provides Operations Update 126
Gran Tierra Energy Provides South America Drilling Operations Update 127
Gran Tierra Energy Announces Initial Drilling Results In Colombia, Brazil And Argentina 128
Gran Tierra Energy Provides Operations Update 129
Gran Tierra Energy Provides Operations Update 131
Gran Tierra Energy Provides Operations Update 132
Alvorada Petroleo Finds Oil At 1ALV2BA Well In Reconcavo Basin, Brazil 133
Gran Tierra Energy Acquires 70% Interest In Blocks REC-T-129, 142, 155 And 224 From Alvorada 134
Gran Tierra Energy Inc.'s Asset Details, REC-T-224 135
Fortress Energy Reports Q2 2012 Results 135
Gran Tierra Energy Provides Operations Update 135
Gran Tierra Energy Provides Operations Update 137
Gran Tierra Energy Provides Operations Update 138
Gran Tierra Energy Acquires 70% Interest In Blocks REC-T-129, 142, 155 And 224 From Alvorada 140
Gran Tierra Energy Inc.'s Asset Details, Puesto Guevara 141
Gran Tierra Energy Provides Operations Update 141
Petrolifera Petroleum Provides Q1 2010 Operational Update 143
Petrolifera Reports 2007 Operations Updates 144
Gran Tierra Energy Inc.'s Asset Details, Sierra Nevada 146
Gran Tierra Energy Announces Initial Drilling Results In Colombia, Brazil And Argentina 146
Gran Tierra Energy Initiates Exploration Drilling Operations In Brazil And Colombia 147
Petrolifera Petroleum To Start Natural Gas Production And Sales In Colombia 149
Petrolifera Petroleum Announces Completion And Results Of Long Term Test Of Brillante SE-1X Well, Onshore Colombia 149
Petrolifera Petroleum Tests La Pinta 1X Well In Colombia 150
Petrolifera Petroleum Provides Q1 2010 Operational Update 150
Petrolifera Petroleum Announces Upward Revision To Brillante Absolute Open Flow Test Rate 152
Petrolifera Petroleum Discovers Gas At Brillante SE-1X Well In Colombia 152
Petrolifera Petroleum's Brillante SE-1X Well Encounters Indicated Hydrocarbon-Bearing Zones In CDO Formation 152
Petrolifera Petroleum Updates On Testing Program At La Pinta 1X Well In Colombia 153
Petrolifera Petroleum Provides Colombia Operations Update 153
Petrolifera Petroleum Set To Commence Reentry Of La Pinta Well In Colombia 153
Petrolifera Petroleum To Spud Brillante SE 1X Well In Mid-February 2010 154
Petrolifera Petroleum To Re-Enter La Pinta 1X Well In Magdalena Basin, Colombia 154
Petrolifera Petroleum Suspends La Pinta No.1 Well In Colombia 155
Petrolifera Petroleum Updates On La Pinta Well Testing Program In Colombia 157
Petrolifera Petroleum To Test La Pinta No.1 Well In Sierra Nevada License, Colombia 157
Petrolifera Petroleum Halts Drilling At LaPinta #1 Well On Sierra Nevada License Onshore Colombia 157
Petrolifera Petroleum Provides Operations Update 157
Petrolifera Petroleum Updates On La Pinta 1 Well In Sierra Nevada License, Colombia 158
Petrolifera Provides Drilling Update On La Pinta Well In Colombia 158
Petrolifera Provides Operational Update 159
Petrolifera Spuds La Pinta Well On Sierra Nevada Concession In Colombia 160
Petrolifera Declares 3Q 2008 Results 161
Petrolifera Secures Drilling Rig From Petrex For Its Upcoming Colombia And Peru Drilling Campaigns 162
Petrolifera Reports 2007 Operations Updates 163
Petrolifera Petroleum Sells 25% Working Interest In Sierra Nevada License In Colombia For US$10 Million 164
Petrolifera Acquires Interest In Sierra Nevada I License 164
Gran Tierra Energy Inc.'s Asset Details, Vaca Mahuida 165
Americas Petrogas Updates On Vaca Mahuida Block In Argentina 165
Brownstone Ventures Provides Argentina Drilling Update 166
Petrolifera Petroleum Provides Q1 2010 Operational Update 166
Americas Petrogas Commences 2010 Drilling Program In Argentina 168
Brownstone Ventures Provides Argentina Drilling Update 168
Brownstone Updates On Vaca Mahuida Block In Rio Negro Province, Argentina 168
Petrolifera To Bring In Fourth Rig For Drilling In Argentina 168
Petrolifera Updates On RN.RR.x-1001 Well 170
Petrolifera Reports 1Q 2007 Sales 171
Americas Petrogas Enters Into Farm-In Agreement With Petrolifera Petroleum 173
Americas Petrogas Argentina Acquires 253,000 Acre Vaca Mahuida Block From Petrolifera Petroleum 173
Petrolifera Farms Out 25% Interest In Vaca Mahuida To Brownstone 173
Gran Tierra Energy Inc.'s Asset Details, Chaza 174
Gran Tierra Energy Provides Operations Update 174
Gran Tierra Energy Provides Update On Appraisal Drilling In Colombia 175
Gran Tierra Energy Provides Operations Update 176
Gran Tierra Energy Finds Oil At Moqueta-7 Appraisal Well In Chaza Block, Colombia 177
Gran Tierra Energy Provides Q3 2012 Operations Update 178
Gran Tierra Energy Provides Operations Update 180
Gran Tierra Energy Confirms New Oil Discovery With 2,525bopd Production Test At Ramiriqui-1 In Colombia 182
Gran Tierra Energy Provides South America Drilling Operations Update 182
Gran Tierra Energy Announces Initial Drilling Results In Colombia, Brazil And Argentina 183
Gran Tierra Energy Initiates Exploration Drilling Operations In Brazil And Colombia 185
Gran Tierra Energy Provides Operations Update 186
Gran Tierra Energy Provides Colombian And Peruvian Operations Update 187
Gran Tierra Energy Reports Revenue And Other Income Of $374.5m In 2010 188
Gran Tierra Energy Provides Operations Update 190
Gran Tierra Energy Provides Operations Update 191
Gran Tierra Energy Announces Moqueta-3 Testing Confirms Additional Oil Pay At Moqueta Discovery In Colombia 192
Gran Tierra Energy Provides Operations Update 193
Moqueta-2 Testing Confirms Additional Oil Pay At Moqueta Discovery In Colombia: Gran Tierra Energy 194
Gran Tierra Energy Announces Initial Drilling Results For Moqueta-2 Well At Chaza Block In Colombia 196
Gran Tierra Energy Confirms Oil Discovery At Moqueta-1 In Colombia 197
Gran Tierra Energy Announces Acreage Awards In Colombia 198
Gran Tierra Energy Bids On Three Blocks In Colombia 198
Gran Tierra Energy Announces Initial Drilling Results From Moqueta-1 Exploration Well In Colombia 199
Gran Tierra Energy Provides Q1 2010 Operations Update 200
Gran Tierra Energy Updates On Dantayaco-1 Exploration Well In Colombia 201
Gran Tierra Energy Announces Capital Spending Of $195 Million For 2010 202
Gran Tierra Energy Updates On Its Costayaco Field Operations In Southern Colombia 204
Gran Tierra Energy Updates On Costayaco Field Reserves In Colombia 205
Gran Tierra Energy Provides Q2 2009 Operations Update 206
Gran Tierra Energy Tests Costayaco-7 Well In Putumayo Basin, Southern Colombia 208
Gran Tierra Energy Begins Production Testing At Costayaco-8 Well In Colombia 209
Gran Tierra Energy Provides Operations Update 209
Gran Tierra Encounters Oil At Costayaco-6 Well In Putumayo Basin, Colombia 210
Solana Discovery Oil At Juanambu-1 Well In Guayuyaco Block, Colombia 211
Gran Tierra Energy Inc.'s Asset Details, Garibay 212
Gran Tierra Energy Provides Operations Update 212
Gran Tierra Energy Initiates Exploration Drilling Operations In Brazil And Colombia 214
Gran Tierra Energy Confirms New Oil Discoveries In Colombia And Argentina 215
Gran Tierra Energy Announces Oil Discovery At Jilguero-1 Well In Llanos Basin, Colombia 216
CEPSA Reports Adjusted Operating Income Of EUR192 Million In Q2 2010 217
Gran Tierra Energy Announces Capital Spending Of $195 Million For 2010 217
Solana Resources Enters Into Farmout Agreement With CEPSA 220
Gran Tierra Energy Inc.'s Asset Details, LLA 22 221
Gran Tierra Energy Confirms New Oil Discovery With 2,525bopd Production Test At Ramiriqui-1 In Colombia 221
Gran Tierra Energy Provides Operations Update 222
Gran Tierra Energy Provides South America Drilling Operations Update 223
Gran Tierra Energy Announces Initial Drilling Results In Colombia, Brazil And Argentina 224
CEPSA Reports Adjusted Operating Income Of EUR192 Million In Q2 2010 225
CEPSA Wins Four New Hydrocarbons Exploration & Production Permits In Llanos Basin, Colombia 226
Cepsa Colombia Completes Acquisition Of 30% Working Interest In Piedemonte Norte Block In Colombia From Gran Tierra Energy 226
Gran Tierra Energy Acquires 45% Working Interest In Llanos-22 Concession In Colombia From Cepsa Colombia 226
Gran Tierra Energy Inc.'s Asset Details, Block 133 227
Gran Tierra Energy Provides Q3 2012 Operations Update 227
Petrolifera Petroleum Provides Operations Update 229
Petrolifera Petroleum Wins Block 133 In Peru 230
Petrolifera Petroleum Plans To Farm-Out Its Interest In Blocks 107 And 133 Onshore Peru 230
Gran Tierra Energy Inc.'s Asset Details, PUT 1 231
Moqueta-2 Testing Confirms Additional Oil Pay At Moqueta Discovery In Colombia: Gran Tierra Energy 231
Gran Tierra Energy Inc.'s Asset Details, Turpial 233
Apco Oil and Gas Provides Operations Update 233
Petrolifera Petroleum To Start Natural Gas Production And Sales In Colombia 233
Apco Oil and Gas Wins Llanos 40 Block In Southwestern Colombia 234
Apco Oil and Gas Reports Net Income Of $3.99 Million In Q1 2010 235
Petrolifera Petroleum Provides Q1 2010 Operational Update 236
Petrolifera Petroleum Enters Into Farm-Out Agreement With Apco Properties 237
Gran Tierra Energy Inc.'s Asset Details, Putumayo Piedemonte Norte 238
Gran Tierra Energy Announces Acreage Awards In Colombia 238
Gran Tierra Energy Bids On Three Blocks In Colombia 239
Gran Tierra Energy Provides Q1 2010 Operations Update 239
Gran Tierra Energy Announces Capital Spending Of $195 Million For 2010 241
Gran Tierra Energy Signs Three Exploration And Exploitation Contracts With National Hydrocarbon In Colombia 243
Cepsa Colombia Completes Acquisition Of 30% Working Interest In Piedemonte Norte Block In Colombia From Gran Tierra Energy 245
Gran Tierra Energy Acquires 45% Working Interest In Llanos-22 Concession In Colombia From Cepsa Colombia 245
Gran Tierra Energy Inc.'s Asset Details, Putumayo Piedemonte Sur 246
Gran Tierra Energy Provides Operations Update 246
Gran Tierra Energy Provides Operations Update 248
Gran Tierra Energy Provides Operations Update 248
Gran Tierra Energy Announces Acreage Awards In Colombia 250
Gran Tierra Energy Bids On Three Blocks In Colombia 251
Gran Tierra Energy Provides Q1 2010 Operations Update 251
Gran Tierra Energy Announces Capital Spending Of $195 Million For 2010 253
Gran Tierra Energy Signs Three Exploration And Exploitation Contracts With National Hydrocarbon In Colombia 255
Gran Tierra Energy Inc.'s Asset Details, RUMIYACO 257
Gran Tierra Energy Announces Initial Drilling Results In Colombia, Brazil And Argentina 257
Gran Tierra Energy Initiates Exploration Drilling Operations In Brazil And Colombia 258
Gran Tierra Energy Provides Operations Update 260
Gran Tierra Energy Provides Q1 2010 Operations Update 260
Gran Tierra Energy Announces Capital Spending Of $195 Million For 2010 262
Gran Tierra Energy Signs Three Exploration And Exploitation Contracts With National Hydrocarbon In Colombia 265
Gran Tierra Energy Inc.'s Asset Details, PUT 10 267
Gran Tierra Energy Announces Acreage Awards In Colombia 267
Gran Tierra Energy Inc.'s Asset Details, Magdalena 268
Petrolifera Petroleum Spuds San Angel 1001X Well In Lower Magdalena Basin, Onshore Colombia 268
Gran Tierra Energy Inc.'s Asset Details, Sinu-1 (SN 1) 269
Gran Tierra Energy Inc.'s Asset Details, REC-T-117 269
Gran Tierra Energy Inc.'s Asset Details, REC-T-86 270
Gran Tierra Energy Inc.'s Asset Details, REC-T-118 (Reaward) 270
Gran Tierra Energy Inc.'s Asset Details,SEÑAL PICADA - PUNTA BARDA 271
Gran Tierra Energy Provides Q1 2010 Operations Update 271
Gran Tierra Acquires Interest In Oil And Gas Properties In Argentina 273
Gran Tierra Energy Inc.'s Asset Details,Guayuyaco 274
Gran Tierra Energy Provides Operations Update 274
Gran Tierra Energy Provides Colombian And Peruvian Operations Update 275
Gran Tierra Energy Provides Operations Update 276
Moqueta-2 Testing Confirms Additional Oil Pay At Moqueta Discovery In Colombia: Gran Tierra Energy 278
Gran Tierra Energy Confirms Oil Discovery At Moqueta-1 In Colombia 279
Gran Tierra Energy Provides Q1 2010 Operations Update 280
Gran Tierra Energy Announces Capital Spending Of $195 Million For 2010 282
Gran Tierra Energy Provides Q2 2009 Operations Update 284
Gran Tierra Gets Commerciality Approval For Juanambu Oil Discovery 286
Solana Discovery Oil At Juanambu-1 Well In Guayuyaco Block, Colombia 287
Gran Tierra Energy Inc.'s Asset Details,Guepaje 288
Gran Tierra Energy Provides Q2 2009 Operations Update 288
Gran Tierra Energy Inc.'s Asset Details,RINCONADA-PUESTO MORALES 291
Petrolifera Petroleum Concludes First Phase Drilling And Testing At Puesto Morales Norte Field In Argentina 291
Petrolifera Provides Operational Update 292
Petrolifera Reports 2007 Operations Updates 293
Petrolifera Reports 3Q 2007 Sales 295
Petrolifera Updates On RN. PM. a-1061 Well 296
Petrolifera Reports Test Results Of RN.PM a-1061 Well 297
Petrolifera Reports 2Q 2007 Results 297
Petrolifera Updates On 1028 Well In Puesto Morales Block, Argentina 299
Petrolifera To Bring In Fourth Rig For Drilling In Argentina 300
Petrolifera Updates On RN.RR.x-1001 Well 302
Petrolifera Reports 1Q 2007 Sales 303
Petrolifera Updates On RN. PM. a-1021 Well, Argentina 305
Petrolifera Updates On RN. PM. a- 1016 Well, Argentina 306
Petrolifera Reports Year-End 2006 Results 306
Petrolifera Updates On Puesto Morales RN. PM. a-1016 Well 308
Gran Tierra Energy Inc.'s Asset Details,EL VINALAR 309
Gran Tierra Acquires 50% Interest In El Vinalar Block 309
Gran Tierra Energy Inc.'s Asset Details,Costayaco 310
Gran Tierra Energy Provides Operations Update 310
Gran Tierra Energy Provides Reserves Update 311
Gran Tierra Energy Provides Q3 2012 Operations Update 312
Gran Tierra Energy Provides Operations Update 314
Gran Tierra Energy Provides South America Drilling Operations Update 316
Gran Tierra Energy Provides Opertaional Update 317
Gran Tierra Energy Provides Operations Update 320
Gran Tierra Energy Provides Colombian And Peruvian Operations Update 321
Gran Tierra Energy Reports Revenue And Other Income Of $374.5m In 2010 322
Gran Tierra Energy Provides Operations Update 323
Gran Tierra Energy Announces Moqueta-3 Testing Confirms Additional Oil Pay At Moqueta Discovery In Colombia 325
Gran Tierra Energy Provides Operations Update 326
Alange Energy Updates On Topoyaco-2 Exploration Well In Colombia 327
Moqueta-2 Testing Confirms Additional Oil Pay At Moqueta Discovery In Colombia: Gran Tierra Energy 328
Alange Energy Announces Spud Of First Exploration Well In Topoyaco, Colombia 329
Gran Tierra Energy Confirms Oil Discovery At Moqueta-1 In Colombia 330
Gran Tierra Energy Announces Acreage Awards In Colombia 331
Gran Tierra Energy Provides Operations Update 332
La Cortez Energy Starts Drilling Mirto-2 Well In Putumayo Basin, Colombia 332
Gran Tierra Energy Provides Q1 2010 Operations Update 333
Gran Tierra Energy Announces 2009 Year-End Reserves 334
Gran Tierra Energy Updates On Dantayaco-1 Exploration Well In Colombia 336
Gran Tierra Energy Announces Capital Spending Of $195 Million For 2010 337
Gran Tierra Energy Completes 2009 Development Drilling In Costayaco Field, Colombia 339
Gran Tierra Energy Updates On Its Costayaco Field Operations In Southern Colombia 340
Gran Tierra Energy Updates On Costayaco Field Reserves In Colombia 341
Gran Tierra Energy Resumes Regular Production Operations In Putumayo Basin, Colombia 342
Gran Tierra Energy Provides Q2 2009 Operations Update 342
Gran Tierra Energy Tests Costayaco-7 Well In Putumayo Basin, Southern Colombia 345
Gran Tierra Energy Concludes Testing Of Costayaco-8 Well In Costayaco Field, Colombia 345
Gran Tierra Energy Begins Production Testing At Costayaco-8 Well In Colombia 345
Gran Tierra Energy Signs Three Exploration And Exploitation Contracts With National Hydrocarbon In Colombia 346
Emerald Energy Provides Colombia Operations Update 348
Gran Tierra Energy Provides Operations Update 349
Gran Tierra Reports Year-End 2008 Reserves 350
Gran Tierra Encounters Oil At Costayaco-6 Well In Putumayo Basin, Colombia 351
Gran Tierra Announces Temporary Suspension Of Production Operations At Costayaco And Juanambu Oil Fields, Colombia 352
Gran Tierra Reports 3Q 2008 Results 353
Gran Tierra Declares Conceptual Development Plan For Costayaco Field, Colombia 354
Gran Tierra Encounters Good Oil Shows At Costayaco-5 In Colombia 355
Gran Tierra Energy Reduces Production Operations At Putumayo Basin In Colombia 357
Gran Tierra Energy Inc.'s Asset Details,PALMAR LARGO 358
Gran Tierra Energy Inc.'s Asset Details,EL CHIVIL 359
Gran Tierra Energy Inc.'s Asset Details,Surubi 360
Gran Tierra Energy Provides Operations Update 360
Gran Tierra Provides Operations Update In Colombia, Argentina, And Peru 361
Gran Tierra Energy Inc.'s Asset Details,PUESTO MORALES ESTE 363
Gran Tierra Energy Inc.'s Asset Details,PA-1ALV1BA (REC-T-129) 363
Gran Tierra Energy Inc.'s Asset Details,PA-1ALV2BA (REC-T-155) 364
Gran Tierra Energy Inc.'s Asset Details,Linda 364
Gran Tierra Energy Inc.'s Asset Details,Toroyaco 365
Gran Tierra Energy Inc.'s Asset Details,Juanambu 366
Gran Tierra Energy Provides Colombian And Peruvian Operations Update 366
Gran Tierra Energy Provides Operations Update 367
Gran Tierra Gets Commerciality Approval For Juanambu Oil Discovery 369
Gran Tierra Energy Inc.'s Asset Details,Moqueta 370
Gran Tierra Energy Provides Operations Update 370
Gran Tierra Energy Provides Update On Appraisal Drilling In Col