Number | Date | Country | Kind |
---|---|---|---|
9309439 | May 1993 | GBX |
This application is a file wrapper continuation of U.S. application Ser. No. 08/238,294 filed May 5, 1994, now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
3125517 | Voda | Mar 1964 | |
3229777 | Rogers et al. | Jan 1966 | |
3269468 | Phansalkar et al. | Aug 1966 | |
3509951 | Enochs | May 1970 | |
3575883 | Foley | Apr 1971 | |
3642623 | Bennett et al. | Feb 1972 | |
3994826 | Muzyczko et al. | Nov 1976 | |
4148736 | Meister | Apr 1979 |
Entry |
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Gray et al "Composition and Properties of Oil Well Drilling Fluids", Gulf Publishing Co, Houston, 1980, pp. 293-297. |
G. V. Chilingarian and P. Vorabutr, "Drilling and Drilling Fluids", Developments in Petroleum Science,11 ; 1983. |
A. Hartmann, M. Ozerler, C. Marx, and H.-J. Neumann, "Analysis of Mudcake Structures Formed Under Simulated Borehole Conditions", SPE 15413, Society of Petroleum Engineers, 1986. |
Number | Date | Country | |
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Parent | 238294 | May 1994 |