Petroleum Resources of China and Siberia
- Eliot Blackwelder
- Document ID
- Society of Petroleum Engineers
- Transactions of the AIME
- Publication Date
- December 1923
- Document Type
- Journal Paper
- 1,105 - 1,111
- 1923. Original copyright American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc. Copyright has expired.
- 5.1.2 Faults and Fracture Characterisation, 4.1.2 Separation and Treating, 4.1.5 Processing Equipment, 4.6 Natural Gas, 1.10.1 Drill string components and drilling tools (tubulars, jars, subs, stabilisers, reamers, etc), 1.6 Drilling Operations
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For the purposes of this paper, the boundaries of China and Siberia will betaken as they stood about 1907.
Except in the Caspian region, it is doubtful if all the oil ever produced inthese countries would equal one day's flow of a good Texas well. Consideringthe vastness of the regions and the variety of strata, it seems strange thatthese two countries should have made so small a showing in the petroleumindustry. No doubt the condition is caused partly by lack of prospecting and ofmodern methods of development; in larger measure, however, it is evidentlybecause of unfavorable geological conditions over nearly all of east-centraland northern Asia.
The known oil occurrences in China are very few. For many years, perhaps abarrel a day has been obtained by primitive methods from wells near the city ofYenchang in the northwestern province of Shensi. A like amount was obtainedfrom wells bored for salt water in the vicinity of Kiating in southwesternSzechwan. The little oil was separated from salt water by allowing it to standin jars. The salt wells yield also considerable natural gas, which is used toevaporate the salt and also for domestic purposes. There is evidence that wellswere bored in this part of China before the third century. It is said that morethan 1200 wells have been sunk in that district to depths of 1600 to 2000 ft.(485 to 610 m.) in connection with the salt industry.
The scarcity of petroleum in China may be ascribed to three general geologicconditions: First, China contains practically no marine sediments of Mesozoicor Cenozoic age; second, the Paleozoic sediments are not for the most part ofthe types that generally contribute petroleum; third, the rocks of nearly allages have been strongly folded, faulted, and more or less intruded by igneousrocks in all parts of China except certain areas in the west and northwest.
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