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Open-file Report 232 - New Mexico Bureau of Geology & Mineral ...

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POOL NAME: Ute Dome Dakota Gas Pool<br />

LOCATION: T. 31-32 N., R. 13-14 W., San Juan County, <strong>New</strong> <strong>Mexico</strong><br />

PRODUCING UNIT(S): Dakota Sandstone (Cretaceous)<br />

DISCOVERY WELL: Stanolind No. 1-30X, located in Sec. 35, T. 32<br />

N., R. 14 W.; completed in 1921 through an openhole<br />

interval from 1,971 ft to total depth <strong>of</strong><br />

2,325 ft. Estimated IP 12,000 MCFGPD.<br />

LITHOLOGY AND THICKNESS OF RESERVOIR: Interbedded very fine- to<br />

fine-grained sandstone and<br />

shale, 80-160 ft thick.<br />

Pay zones are sandstones,<br />

20-55 ft net pay, 15%<br />

porosity, 10 milliC'arcies<br />

permeability.<br />

TYPE OF TRAP: Structural, formed by northwest-trending, faulted<br />

anticline.<br />

PROPERTIES OF OIL AND GAS: Oil gravity is 450 API. Gas is<br />

sweet, contains mostly hydrocerbons.<br />

ANNUAL PRODUCTION, 1984: 941,225 MCFG + 5,083 BO + 12,80C BW<br />

CUMULATIVE PRODUCTION TO 12/31/84: 13,808,274 MCFG<br />

NUMBER PRODUCING WELLS, 12/31/84: 26<br />

ESTIMATED ULTIMATE RECOVERY: Not available<br />

REFERENCES: Tezak (1978a); <strong>New</strong> <strong>Mexico</strong> Oil & Gas Engineering<br />

Committee (1985)<br />

3-106

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