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Paul David Ringgenberg, Neal Gregory Skinner, Curtis Edgar Wendler, Roger Lynn Schultz, Robert W Srubar, Margaret Cowsar Waid: Early evaluation system with pump and method of servicing a well. Halliburton Energy Services, William M Imwalle, Paul I Herman, Neal R Kennedy, September 1, 1998: US05799733 (94 worldwide citation)

An early evaluation system with pump for servicing a well and taking fluid samples and measurements. In each of the embodiments, a formation pump is actuated to flow fluid from the well formation below a packer element engaged with the borehole into a sampling tube. Fluid samplers and recording inst ...


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Ringgenberg Paul D, Schultz Roger L, Skinner Neal G, Wendler Curtis E, Srubar Robert W, Waid Margaret C: Systeme devaluation precoce comportant une pompe et methode dentretien et de reparation dun puits, Early evaluation system with pump and method of servicing a well. Halliburton Company, Halliburton Company, OGILVY RENAULT SENCRLSRL, July 6, 2004: CA2193309

An early evaluation system with pump for servicing a well and taking fluid samples and measurements. In each of the embodiments, a formation pump is actuated to flow fluid from the well formation below a packer element engaged with the borehole into a sampling tube. Fluid samplers and recording inst ...