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Sundeep DuhanFathima MohamedTuan Nguyen

Muhammad Abu Samah

GROUP - 1

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Overview Location

–Santa Barbara, California

Discovered in 1964

Production – 100Mbbl of oil (1964 – 1996)

Issues – Sand production, high water cut

 Abandoned – 1996 (well plugged andplatforms were removed in State lease)

Redevelopment - POOI Acquired the

lease in 1993

Confusing conceptual field model

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–

Pacific Operators Offshore incorporated

Fig. 1: - Carpinteria Offshore Field Redevelopment Project

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Advanced Reservoir Management Project DOE offered advance technologies at Los Alamos National Laboratory 

(LANL)

POOI joined LANL with Cooperative Research and developmentagreement(CRADA)

POOI sought the royalty participation between California state landcommission (CSLC) and Minerals Management Service (MMS) of department of interior

Coombs and Associates – Petrophysical and well log analysis

R.G.Heck and Associates – Geological interpretation

The University of Houston – Reservoir flow simulation

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Partner Interests POOI – Maximize Revenues from improved production

CSLC & MMS–

Continuing royalty Redevelop similar fields

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Carpinteria Offshore Field

Redevelopment Project The Virtual Enterprise

Partners : LANL, CRADA, MMS, CSLC, Coombs and Associates,R.G.Heckand Associates & The University of Houston

Combination of efforts of individual and companies – Common goal

Geographically dispersed yet interact in common workplace everyday 

Enables independent producer to enlist widely dispersed technicalresources and expertise to solve a problem inexpensively and in a wellcoordinated manner

Provides independent producer access to technical resources equivalent tothose in a major oil company 

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Project Planning and PreparationsMain segments in RMS

1. Geological modelling

2. Geostatistical modelling

3. Engineering modelling

4. Project integration

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Geological Modelling  Well log analysis

 Vectorising log traces and transforming them into reservoir property logs  Well log correlations

Generating data for CAD for reservoir correlations Use of directional surveys to compute true vertical depth logs, and producing stratigraphic

thickness logs of the reservoir. Database generation

First database Repository and digitized well log traces

Second database Industry oriented database solution Houses production and completion information Stores fluid properties and other engineering data

Third database Marker picks Directional survey data

Oil water contacts Multiple oil water contacts Picked from SP, GR and resistivity logs

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Geostatistical Modelling Geological modelling depends on deterministic

interpolation

 Assumptions may cause us to overlook important data Examines lateral continuity from a single stratigraphic

unit

Correlation between several logs

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Engineering Modelling Volumetric calculations

STOIIP

Comparisons with standard OOIP calculations by POOI Combined results contributing to redevelopment

decisions

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Project Integration Joined Cooperative Research and Development

 Agreement(CRADA) LANL – POOI

Participation of royalty owners of the field CSLC and MMS

These entities joined LANL and POOI forming the

Carpinteria Offshore Field Development Project

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Conclusion The virtual enterprise allow small companies access to

technical resources

Geological/Engineering pays off in long term Integration of geological and engineering modelling

provides a self consistent reservoir model

Flow simulation model guides long-term management

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References  Whitney, E.M., Los Alamos National Laboratory; Brickey, M.R., Minerals Management Service;

Coombs, S.E., Coombs & Associates; Duda, C.A., Duda, V.K., California State LandsCommission“Integrated Reservoir Management for the Long Term - The Carpinteria OffshoreField”SPE- 38284 June 1997

http://www.boem.gov/Carpinteria.aspx 

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Questions

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