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Field study of viscous oil production by solvent stimulation, Wilmington, California.

Authors
Lechtenberg-HJ; Gates-GL; Caraway-WH; Baptist-OC
Source
Washington, DC: U.S. Department of the Interior, Bureau of Mines, TPR 62, 1972 Jan; :1-12
Link
NIOSHTIC No.
10009779
Abstract
Preliminary results are given of solvent stimulation of two wells producing viscous oil (14 deg.-17 Deg. Api) from the tar zone in the Wilmington field, California. The solvent (coker oil, an intermediate refinery product) was injected into the formation, and after a soak period, the well was returned to production. Data are given on crude oil properties, solvent properties, determination of volume of solvent in the produced oil, rate of oil production before and after simulation, volume of additional oil produced, and volume of solvent recovered. Although further study and improvement of the method are needed, cyclic solvent stimulation appears to be an unqualified success in one well and a moderate success in one other.
Keywords
Oil recovery; Solvent stimulation; Increased production; Viscous oil; Field study; Wilmington; Coker oil; Success; Low gravity
Publication Date
19720101
Document Type
IH
Fiscal Year
1972
NTIS Accession No.
PB-214034
NTIS Price
A03
Identifying No.
TPR-62
NIOSH Division
OTHR
Source Name
Washington, DC: U.S. Department of the Interior, Bureau of Mines, TPR 62
State
CA; DC
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