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Collaborating Authors
Results
Studies such as the investigations into the solubility of gases in crude oilunder various conditions, which have been carried on during the past three orfour years, are very interesting from an academic point of view, but thisconsideration alone is hardly sufficient to warrant the large contributionsfrom the industry necessary to maintain them. Some definite benefit to theindustry as a whole should be forthcoming. The purpose of this paper is todirect the attention of company engineers, and company executives, to some ofthe ways in which the information gained from these studies can be madedirectly profitable. This work has two principal economic aspects. One affects the investmentbudget, and through it the financial requirements of the companies. The otheraffects operations, and through this course is reflected in current earnings.It will be shown that, as a direct result of the investigations into gassolubility, undertaken in the recent past by various investigators, it is nowpossible:To determine more accurately the amount of reservoir oil originallypresent. To obtain closer control on operating conditions, to effect more economicalrecovery. To predict earlier and more dependably when and how much surface liftingequipment will be needed. To reduce, or entirely avoid the very large investment in gasoline recoveryequipment now frequently found necessary. To control the gravity of the pipe-line oil so as to secure the greatestpossible revenue from the products of the well. To effect the recovery of a large amount of gasoline now wasted while thepracticability of a gasoline recovery system is being decided. To plan operations, by comparison with the history of old propertiesoperated without this new information, so as to avoid the mistakes of ignorancemade in the past. These points will be discussed in the following pages, though not necessarilyin the order stated.
- North America > United States > Oklahoma > Anadarko Basin > Oklahoma City Field (0.99)
- North America > United States > Oklahoma > Anadarko Basin > Crescent Field (0.99)
- North America > United States > West Virginia > Alexander Field (0.90)
- Production and Well Operations > Well & Reservoir Surveillance and Monitoring (1.00)
- Reservoir Description and Dynamics > Formation Evaluation & Management > Drillstem/well testing (0.69)
- Management > Asset and Portfolio Management (0.68)
- Facilities Design, Construction and Operation > Processing Systems and Design > Separation and treating (0.49)
In a recent paper on the intermittent injection of gas in gas-liftoperations as opposed to continuous injection, Morgan Walker presented acomparative table showing the effect on oil and gas production from the samewells under the two methods of operation. This table carried a column showingthe formational gas…oil ratios under each method, computed by deducting thevolume of input gas from the volume of trap gas. During the entire spring and summer of 1928, the present writer had beenengaged on some extensive test car tests of rich gas in Glenpool, seeking, primarily, for an explanation of the apparent loss of gasoline during thesummer season between the field meters and the plant master meter. Tests atseveral of the field meters where the richest gas was obtained regularly failedto check with other tests on the same gas made farther along the line, and thedifference was not made up by the quantity of drip gasoline collected betweenthe points. In the course of these tests, the final outcome of which isimmaterial to the present purpose, an attempt was made to construct a curverepresenting the relationship between gasoline content of the gas in gallonsper thousand cubic feet and the shrinkage in the volume of gas treated as aresult of removing the condensible fractions. Such a curve was made, expressedin units of gallons per thousand cubic feet on the abcissa and the ratio vaporvolume to liquid volume on the ordinate. This curve is a rectangular hyperbolaand shows that 3 gal. of gasoline taken from 1000 cu. ft. of raw gas as a vaporoccupied much less space, per gallon, than did 1 gal. of gasoline taken from1000 cu. ft. of another sample of gas. This is, in general, corroborated byconverting to the same units the residue settlement curves prepared by theTidal Oil Co. and by the Natural Gasoline Manufacturers Assn., though the threecurves, when plotted together, occupy entirely different positions on thepaper, as shown in Fig. 1.