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IOR/EOR METHODS SELECTION IN PETROAMAZONAS EP OILFIELDS IOR/EOR METHODS SELECTION IN PETROAMAZONAS EP OILFIELDS

IOR/EOR METHODS SELECTION IN PETROAMAZONAS EP OILFIELDS - PowerPoint Presentation

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IOR/EOR METHODS SELECTION IN PETROAMAZONAS EP OILFIELDS - PPT Presentation

ORIENTE BASIN ECUADOR José Rodas C Petroamazonas EP Francisco López Petroamazonas EP South America Oil Production Brasil 2193000 bppd Venezuela 2720000 bppd ID: 785619

eor ior fields recovery ior eor recovery fields water flooding bppd field ooip projects 000 reservoir napo wells oil

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Slide1

IOR/EOR METHODS SELECTION IN PETROAMAZONAS EP OILFIELDSORIENTE BASIN – ECUADOR

José Rodas C.,

Petroamazonas

EP

Francisco López,

Petroamazonas

EP

Slide2

South America Oil Production

Brasil

2.193.000

bppd

Venezuela

2.720.000

bppd

Colombia

930.000

bppd

Perú153.000 bppd

Argentina607.000 bppd

Ecuador524.800 bppd

Fuente: Statistical Review of World Energy 2012, BP

PETROAMAZONAS EP:

332.715 BPPD (65%)

Other

Operators

:

192.085 BPPD (35%)

Slide3

Oil Fields in Ecuadorian Oriente Basin

Slide4

Who are we?Petroamazonas EP, the Ecuadorian state-owned oil company, in charge of the operation of 65 oilfields, 63 of them are located in the Ecuadorian Oriente Basin (EOB), one in the Coast, and one in the Gulf of Guayaquil. The original oil in place (OOIP) for the fields of EOB

is

14.0 MMMBO

. Accumulated production until December 31, 2012 was

3.2

M

MMBO

, which represents a Recovery Factor (RF) of 22.9%. The final average RF estimated in primary recovery is about 34.4%.

Slide5

Current statusThe majority of producing oilfields are in their mature stage, under primary recovery conditions

There are 4 main cretaceous

clastic

producing reservoirs. 3 of them behaves as volumetric with partial water influx drive, and one has an infinite acting aquifer

ORIENTE BASIN STRATIGRAPHIC COLUMN

Slide6

Gases

Miscibles

IOR

EOR

Primary Recovery

Secondary Recovery

Tertiary Recovery

Conventional Primary Recovery

Immiscible gas injection

Water Flooding

Thermal

Miscible Gas

Chemical

Others

Natural Flow

Optimized

Steam Flood

Huff & Puff, SAGD

Hot Water, Fire Flooding. THAI, CAPRI

Combustion Gas

Alkalis

(A)

Surfactants (S)

Polymers (P)

Combined AP/AS/ASP

Microbial flooding

Vibroseismic

Emulsions

Artificial Lifting

Natural flow lifting

Stimulation, Acidizing

Foam and Gel control

Oil Recovery Methods

Slide7

Corporation

Estrategy

– Business

Vision

Slide8

Activities carried out in PetroamazonasOPORTUNITY SIZE FIELDS RANKING (OOIP, RESERVES)FIELDS SELECTION

FIRST SCREENING OF IOR-EOR METHODS FOR THE PRODUCING RESERVOIRS IN THE SELECTED FIELDS

MODELING FOR RECOVERY FACTORS INCREMENTAL ESTIMATION DUE TO THE IMPLEMENTATION OF IOR-EOR STRATEGIES

GENERATION – UPDATING OF STATIC AND DYNAMIC MODELS OF THE SELECTED PRODUCING RESERVOIRS

IOR PROJECTS:

DRILLING OF NON CONVENTIONAL WELLS (HORIZONTALS, DEVIATED OF HIGH ANGLE, MULTI-LATERALS, DUAL COMPLETIONS…)

WATER FLOODING PROJECTS IN PROGRESS

Slide9

Total OOIP estimated with deterministic methods of 14 billion bls, by using probabilistic methods, total OOIP (P50) could reach 18.3 MMMBO

. The difference between these two calculations (

4.3)

is considered an opportunity for growth, which has to be confirmed with detailed studies of the reservoirs and with additional data obtained during

oilfields

development

Opportunity Size Fields Ranking (OOIP, Reserves)

Slide10

Fields Selection – Ranking (STOOIP, Reserves, Remaining Reserves)

Slide11

First Screening of IOR – EOR MethodsvIOR Screening

-

Water

Injection Case

EOR –

Polymers case

Slide12

IOR-EOR PROJECTS: First Screening Results

Slide13

IOR-EOR PROJECTS: First Screening Results

Slide14

Modeling for Recovery Factor Incremental Estimation due to the Implementation of IOR-EORAll fields were stochastically modeled; Main Input: OOIP, Reserves, Structure, Well Types, Fluids Movement BehaviorThe fields with higher value were the fields with higher OOIPNew non-conventional wells and infill wells may increase the RF in 6%

Slide15

IOR-EOR Growth Opportunity

Slide16

Full field studies for ten Oilfields were conducted.

Three

of

them

have

detailed IOR

evaluations, one for CO2 injection and two

for Water Flooding.

In Summary, two types of development

are recommended:IOR: New wells and WF,

Recovery Factor may increase in at least 6%

EOR: Polymer and Surfactants, may increase

RF in an additional 4%

Generation – Updating of Static and Dynamic Models

Slide17

WATER FLOODING PROJECTS IN PROGRESS:PAYAMINO FIELD – NAPO U RESERVOIR: GOOD RESULTSLOBO FIELD – NAPO U RESERVOIR: GOOD RESULTS

PAKA SUR FIELD – NAPO T RESERVOIR, BEGAN IN FEBRUARY 2013

IOR Pilot Projects

OTHER WATER FLOODING PROJECT TO BEGIN IN 2013

EDEN YUTURI FIELD: M1 SANDSTONE RESERVOIR

OSO FIELD: NAPO

U / NAPO

T RESERVOIRS

COCA FIELD: BASAL TENA RESERVOIR

Slide18

Improving new wells drilling strategiesSpeeding up Water Flooding pilot processesBidding Process for EOR ProjectsForward Plans