Core Studies of the Bradford Sand from the Bradford Field, Pennsylvania
- Charles R. Fettke (Charles R. Fettke, Carnegie Institute of Technology)
- Document ID
- Society of Petroleum Engineers
- Transactions of the AIME
- Publication Date
- December 1929
- Document Type
- Journal Paper
- 221 - 239
- 1929. Original copyright American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc. Copyright has expired.
- 1.10 Drilling Equipment, 4.1.5 Processing Equipment, 1.2.3 Rock properties, 1.14 Casing and Cementing, 2.4.3 Sand/Solids Control, 1.6.9 Coring, Fishing, 4.1.2 Separation and Treating, 5.1.2 Faults and Fracture Characterisation, 5.8.5 Oil Sand, Oil Shale, Bitumen, 1.6 Drilling Operations
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The Bradford field of northwestern Pennsylvania and adjacent portions of NewYork state has attracted world-wide attention in recent years on account of theremarkable success that has been attained in the application of water-Hoodingas a means of increasing the extraction of oil from a pool that had almostreached the economic limit by ordinary production methods. It is one of the fewlarge oil fields in which artificially conducted water drives have thus farproved successful, although many attempts have been made to apply themelsewhere. As detailed a knowledge as possible of the character of theproducing sand in this field is therefore of considerable interest, not onlyfrom a scientific but also from a practical standpoint. Outside the Bradfordfield, such knowledge should aid operators in determining whether or not theirsands are amenable to Hooding. In the Bradford field itself Hooding operationsare not uniformly successful over the approximately 85,000 acres of productivearea, due in many instances primarily to variations in sand conditions. Aknowledge of just what these variations are would often be a great aid inovercoming the difficulties, or else would save considerable sums of moneywhich might otherwise be wasted in experimenting in areas where the chances ofsuccess are very small.
Realizing that more precise information in regard to the nature of thereservoir rock was essential to improvements in the methods of oil recovery,the Northwestern Pennsylvania Oil Producers Assn., by private subscription ofits members, took a core of the Bradford sand from a well 1/2 mile west ofCuster City, Pa., during the spring of 1925. The Forest Oil Co. also took acore of the same sand from a well about 8 miles east of Bradford at that time.The cores were submitted to the United States Geological Survey for study andA. F. Melcher has published the results of porosity determinations on theCuster City core.
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