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Title: A reservoir optimization study--El Bunduq Field, Abu Dhabi, Qatar

Abstract

El Bunduq reservoir is located in the offshore area of Abu Dhabi and Qatar. The field was shut-in in July 1979 due to production with high gas-oil ratios. Pressure differences of 200-400 psi between the flanks and the central part of the reservoir were still present almost four years after the field was shut-in. A comprehensive reservoir engineering study determined that the reasons for this behavior were the deteriorating qualities of the reservoir rock downstructure and the presence of a tar mat around the field. After the field behavior was history matched, model studies of a representative sector of the field indicated that peripheral waterflooding would recover less than 15 percent of the OOIP in a period of 30 years. However, pattern injection recoveries were calculated to be at least twice as high. Several full field alternatives were investigated to optimize the development of the reservoir under a pattern waterflood. This paper summarizes the various studies that led to the acceptance of the idea of pattern development over peripheral injection, as a result of the unique characteristics of this field.

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
Scientific Software Corp.
OSTI Identifier:
5522584
Alternate Identifier(s):
OSTI ID: 5522584
Report Number(s):
CONF-830397-
Journal ID: CODEN: SEAPA
Resource Type:
Conference
Resource Relation:
Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States); Journal Volume: SPE 11481; Conference: 3. Middle East oil exibition, Manama, Bahrain, 14 Mar 1983
Country of Publication:
United States
Language:
English
Subject:
02 PETROLEUM; 03 NATURAL GAS; NATURAL GAS FIELDS; RESERVOIR ENGINEERING; STRUCTURAL MODELS; WATERFLOODING; OIL FIELDS; QATAR; UNITED ARAB EMIRATES; OPTIMIZATION; DATA ANALYSIS; ENHANCED RECOVERY; FLUID INJECTION; GAS SATURATION; INJECTION WELLS; OFFSHORE SITES; PRESSURE GRADIENTS; RESERVOIR PRESSURE; RESERVOIR ROCK; TECHNOLOGY ASSESSMENT; ASIA; ENGINEERING; GEOLOGIC DEPOSITS; MIDDLE EAST; MINERAL RESOURCES; NATURAL GAS DEPOSITS; PETROLEUM DEPOSITS; RECOVERY; RESOURCES; SATURATION; WELLS 020300* -- Petroleum-- Drilling & Production; 030300 -- Natural Gas-- Drilling, Production, & Processing

Citation Formats

Blashbush, J.L., Nagai, R.B., Ogimoto, T., Savage, W.K., Takizawa, M., and Wakamiya, J. A reservoir optimization study--El Bunduq Field, Abu Dhabi, Qatar. United States: N. p., 1983. Web.
Blashbush, J.L., Nagai, R.B., Ogimoto, T., Savage, W.K., Takizawa, M., & Wakamiya, J. A reservoir optimization study--El Bunduq Field, Abu Dhabi, Qatar. United States.
Blashbush, J.L., Nagai, R.B., Ogimoto, T., Savage, W.K., Takizawa, M., and Wakamiya, J. Tue . "A reservoir optimization study--El Bunduq Field, Abu Dhabi, Qatar". United States.
@article{osti_5522584,
title = {A reservoir optimization study--El Bunduq Field, Abu Dhabi, Qatar},
author = {Blashbush, J.L. and Nagai, R.B. and Ogimoto, T. and Savage, W.K. and Takizawa, M. and Wakamiya, J.},
abstractNote = {El Bunduq reservoir is located in the offshore area of Abu Dhabi and Qatar. The field was shut-in in July 1979 due to production with high gas-oil ratios. Pressure differences of 200-400 psi between the flanks and the central part of the reservoir were still present almost four years after the field was shut-in. A comprehensive reservoir engineering study determined that the reasons for this behavior were the deteriorating qualities of the reservoir rock downstructure and the presence of a tar mat around the field. After the field behavior was history matched, model studies of a representative sector of the field indicated that peripheral waterflooding would recover less than 15 percent of the OOIP in a period of 30 years. However, pattern injection recoveries were calculated to be at least twice as high. Several full field alternatives were investigated to optimize the development of the reservoir under a pattern waterflood. This paper summarizes the various studies that led to the acceptance of the idea of pattern development over peripheral injection, as a result of the unique characteristics of this field.},
doi = {},
journal = {Soc. Pet. Eng. AIME, Pap.; (United States)},
number = ,
volume = SPE 11481,
place = {United States},
year = {Tue Mar 01 00:00:00 EST 1983},
month = {Tue Mar 01 00:00:00 EST 1983}
}

Conference:
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