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Method for Makhng Lightweight Proppant for Oil and Gas Wells
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2017 |
| Abstract | 2,950,247 8/1960 McGuire ............................ 252/8.55 3,245,866 4/1966 Schott ....... ... 161/168 3,437,148 4/1969 Colpoys .... ... 166/308 3,976,138 8/1976 Colpoys .... ... 166/280 4,068,718 1/1978 Cooke et al. .. ... 166/280 4,427,068 1/1984 Fitzgibbon ... ... 166/280 4,462,466 7/1984 Kachnik ........ ... 166/280 4,493,875 l/1985 Becket al. ... ... 428/403 4,522,731 6/1985 Lunghofer .... ... 252/8.55 4,547,468 10/1985 Jones et al. ........................... 5O1/33 11 Patent Number: 4,977,116 45 Date of Patent: Dec. 11, 1990 |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://patentimages.storage.googleapis.com/ed/ec/be/9bf8fd3384ecbb/US4977116.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |