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HALLIBURTON v. HONOLULU OIL CORPORATION

No. D-56.

18 F.Supp. 58 (1936)

HALLIBURTON et al. v. HONOLULU OIL CORPORATION, Limited, et al.

District Court, S. D. California, N. D.

July 28, 1936.

Attorney(s) appearing for the Case

Lyon & Lyon, of Los Angeles, Cal. (Leonard S. Lyon and Henry S. Richmond, both of Los Angeles, Cal., of counsel), for plaintiffs.

Hill, Morgan & Bledsoe, of Los Angeles, Cal., and A. W. Boyken, of San Francisco, Cal. (Vincent Morgan and William M. Farrer, both of Los Angeles, Cal., of counsel), for defendants.

COSGRAVE, District Judge.

The patent in suit, No. 1,930,987, granted to John T. Simmons, is for method and apparatus for testing the productivity of formations encountered in drilling oil wells and other deep wells. The method consists briefly in sealing off the formation or stratum to be tested from the strata above it by means of a packer, thus separating the two zones and relieving this stratum to be tested from the hydrostatic pressure of the rotary mud above...

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