Results of a steamdrive pilot project in the Ruehlertwist field, Federal Republic of Germany

Journal Article · Fri Feb 01 04:00:00 EST 1985 · J. Pet. Technol.; (United States)

DOI:https://doi.org/10.2118/11956-PA· OSTI ID:5461585

Proyer, G; Chaziteodorou, G; Muss, H; Rosskamp, M

Production from the area of the Ruehlertwist field close to the northern aquifer is governed by pressure maintenance by water influx, sustained by reinjection of produced water downdip of the oil/water contact (OWC) in the north of the structure. Because of the high in-situ viscosity (175 mPa x s (0.175 cp)) of the 0.9-g/cm/sup 3/ (25/sup 0/API) crude in this area, only 22% of the stock-tank oil initially in place (STOIIP) has been recovered. Therefore, it was decided by the consortium operating the field (BEB, Deilmann A.G., Preussag A.G., and Wintershall A.G. as operator) to perform a pilot test to investigate the feasibility of steam injection under waterdrive conditions in this highly watered-out part of the field. In Dec. 1978 steam injection into Well Rt 208 was started. The second well, Rt 56, began steam injection in April 1979. The 580 000-m/sup 2/ (143-acre) pilot area contained 2.655 x 10/sup 6/m/sup 3/ (17 x 10/sup 6/ bbl) STOIIP. By the end of Feb. 1983 about 1 080 000 m/sup 3/ (38,139,840 cu ft) steam (32.8% PV) have been injected into the reservoir. During these 4 years the additional recovery attributable to steamflooding accumulated to up to 6.8% STOIIP. This paper describes the reservoir, the necessary facilities, and the pilot project performance. Conclusions drawn from the pilot performance will be considered for future production strategy.

• Research Organization: Wintershall A.G.
• OSTI ID: 5461585
• Journal Information: J. Pet. Technol.; (United States), Journal Name: J. Pet. Technol.; (United States) Vol. 37:2; ISSN JPTJA
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ENHANCED RECOVERY
EUROPE
FEDERAL REPUBLIC OF GERMANY
FLUID INJECTION
FUNCTIONAL MODELS
GEOLOGIC DEPOSITS
MINERAL RESOURCES
OIL FIELDS
OIL WELLS
PERFORMANCE
PETROLEUM DEPOSITS
PILOT PLANTS
PRODUCTION
RECOVERY
RESERVOIR ROCK
RESOURCES
STEAM INJECTION
WELLS
WESTERN EUROPE