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Featured researches published by Hans J. Paap.


Journal of Petroleum Technology | 1980

Logging Method for Determining Horizontal Velocity of Water in Oilfield Formations

Hugh D. Scott; Hans J. Paap; Dan M. Arnold

A new borehole measurement has been developed for determining horizontal velocity of water flowing in a reservoir. Neutrons are used to make a radioactive sodium tracer in formation salt water streaming around an unperforated cased observation well. Monitoring of gamma rays from the tracer provides data from which the horizontal velocity can be calculated. Velocities in the range 0.12 to 1.5 m/day have been measured.


Archive | 1984

Hydrocarbon stratum retorting means and method

Kerry D. Savage; Hans J. Paap


Archive | 1985

Acoustic method and apparatus for measuring thickness of a coating layer on a substrate

Hans J. Paap


Archive | 1984

Propagation anisotropic well logging system and method

Kerry D. Savage; Percy T. Cox; Hans J. Paap


Archive | 1981

Crude oil production stream analyzer

Richard A. Meador; Hans J. Paap


Archive | 1977

Method and apparatus for measuring azimuth and speed of horizontal fluid flow by a borehole

Dan M. Arnold; Obie M. Langford; Hans J. Paap; Hubert D. Scott


Archive | 1978

Detection of impurities in fluid flowing in refinery pipeline or oil production operations using nuclear techniques

Dan M. Arnold; Harold E. Peelman; Obie M. Langford; Hans J. Paap; Irwin R. Supernaw


Archive | 1977

Method and apparatus for measuring underground fluid flow characteristics

Hans J. Paap; Albert P. Richter; Harold E. Peelman; Dan M. Arnold; Hubert D. Scott


Archive | 1980

Measurement of salt content in petroleum flow lines

Hans J. Paap; Richard A. Meador; Dan M. Arnold


Archive | 1977

Behind casing water flow detection using pulsed neutron oxygen activation

Dan M. Arnold; Hans J. Paap; Harold E. Peelman

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