High Pressure Cycling with Hydrogen Sulfide Laden Gas
- C.O. Miller (Tidewater Oil Co.)
- Document ID
- Society of Petroleum Engineers
- Journal of Petroleum Technology
- Publication Date
- December 1958
- Document Type
- Journal Paper
- 25 - 28
- 1958. Original copyright American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc. Copyright has expired.
- 1.6 Drilling Operations, 4.1.5 Processing Equipment, 5.4.2 Gas Injection Methods, 5.8.3 Coal Seam Gas, 5.2.1 Phase Behavior and PVT Measurements, 4.3.1 Hydrates, 4.1.2 Separation and Treating, 5.8.8 Gas-condensate reservoirs, 4.1.4 Gas Processing, 4.1.6 Compressors, Engines and Turbines, 5.2 Reservoir Fluid Dynamics, 4.6 Natural Gas, 4.1.3 Dehydration, 4.2.3 Materials and Corrosion
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This paper describes the use of hydrogen sulfide laden gas in high pressure cycling in the New Hope, Smackover field located in Franklin County, Tex., some 50 miles north of Tyler. In Dec., 1953, Tidewater Oil Co. and Seaboard Oil Co. discovered the New Hope, Smackover field, underlying in part the New Hope oil field also discovered by these two companies in 1943.
The New Hope, Smackover gas-condensate reservoir was discovered by completion of the T. J. Ramey Unit 1-1-D well with open hole 12,086 to 12,322 ft. On test the well yield was approximately 150 bbl of "sour" condensate per million cubic feet of sour or hydrogen sulfide laden gas. This reservoir was discovered by deeper drilling on a known structure. Discovery well location was made on the basis of deep geophysical reflections.
Engineers have recently recognized that the so-called gas-condensate reservoir products actually exist in the formation in the gas phase. The condensate, as its name implies, is a portion of the liquefiable hydrocarbons whose recovery is accomplished by cooling or reducing the reservoir fluid pressure to a point within the retrograde condensate range.
One of the first questions to arise when a new gas-condensate reservoir is discovered is, What are the reserves? Other questions of equal importance arise. What plan of production shall be employed? Shall it be pressure depletion? Cycling? Or a combination of both? Certain economic and physical factors may alter an original plan of production during the actual producing period of a reservoir. It is probably safe to say all gas-condensate field production methods need to be constantly observed and periodically studied in detail to assure optimum production.
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