Number | Name | Date | Kind |
---|---|---|---|
2140072 | Chenault | Dec 1938 | |
2371391 | Haynes | Mar 1945 | |
2513944 | Kessler | Jul 1950 | |
2978024 | Davis | Apr 1961 | |
3216497 | Howard et al. | Nov 1965 | |
3421586 | Solum | Jan 1969 | |
3850246 | Despujols | Nov 1974 | |
4595058 | Nations | Jun 1986 | |
4662447 | Bolin | May 1987 | |
4770336 | Arterbury et al. | Sep 1988 | |
4856591 | Donovan et al. | Aug 1989 |
Entry |
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"Introducing the First Non-Rotational, Hydraulic Set Gravel Pack Systems", Completion Services, Inc., Lafayette, LA. |
"Innovative Sand Control Technology", Howard Smith Screen Co., Houston, TX. |