1
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 ...


2
Paul D Ringgenberg, Roger Lynn Schultz, Neal G Skinner, Margaret C Waid, Curtis E Wendler, Robert W Srubar: Formation evaluation tool and method for use of the same. Halliburton Energy Services, William M Imwalle, Paul I Herman, Lawrence R Youst, September 29, 1998: US05813460 (14 worldwide citation)

A downhole tool for early formation evaluation is disclosed. The tool comprising a housing having a fluid passageway and a mandrel having an interior volume. The mandrel is slidably disposed within the housing and has a plurality of axial positions relative to the housing. The mandrel is slidably op ...


3
Michael R Johnson, John Touchet, Scott Myers, Robert W Srubar: Apparatus and method for drilling a wellbore with casing and cementing the casing in the wellbore. Halliburton Energy Services, John W Wustenberg, McAfee & Taft, June 26, 2007: US07234522 (3 worldwide citation)

A float system for use in cementing a casing in a wellbore. The wellbore is drilled with a drill bit attached to the casing. The drill bit is removed after the wellbore is drilled. The float system is lowered into the casing after the drill bit is removed. The float system includes a packer apparatu ...


4
Michael R Johnson, John Touchet, Scott Myers, Robert W Srubar: Apparatus and method for drilling a wellbore with casing and cementing the casing in the wellbore. John W Wustenberg, June 24, 2004: US20040118560-A1

A float system for use in cementing a casing in a wellbore. The wellbore is drilled with a drill bit attached to the casing. The drill bit is removed after the wellbore is drilled. The float system is lowered into the casing after the drill bit is removed. The float system includes a packer apparatu ...