Featured patents

Non-Rotating Buoyancy Modules for Sub-Sea Conduits
US 08800664 B2, Aug. 12, 2014, Submerged, buoyant wellhead or riser, Norman Bruce Moore et al. / WWT North America Holdings, Inc. (Houston, US)
A protective buoyancy module assembly for attachment to a sub-sea conduit…

Solvent Separation in a Solvent-Dominated Recovery Process
US 08752623 B2, June 17, 2014, Separating outside of well, Owen J. Hehmeyer et al. / ExxonMobil Upstream Research Company (Houston, US)
A method of producing hydrocarbons from an underground reservoir, the method…

Methods and Compositions Relating to Minimizing Particulate Migration Over Long Intervals
US 08720571 B2, May 13, 2014, Placing fluid into the formation, Ronald G. Dusterhoft / Halliburton Energy Services, Inc. (Houston, US)
A method comprising:…

Use of a Solvent and Emulsion for in Situ Oil Recovery
US 08684079 B2, April 1, 2014, Cyclic injection then production of a single well, Robert D. Kaminsky et al. / ExxonMobile Upstream Research Company (Houston, US)
A method of recovering hydrocarbons from an underground reservoir…

Equipment for Remote Launching of Cementing Plugs
US 08622131 B2, Jan. 7, 2014, With piston separator, Philippe Gambier et al. / Schlumberger Technology Corporation (Sugar Land, US)
A system for launching cementing plugs in a subterranean well, comprising:…

Packer System With Reduced Friction During Actuation
US 08573314 B2, Nov. 5, 2013, With sealing feature, Pierre-Yves Corre et al. / Schlumberger Technology Corporation (Sugar Land, US)
A packer structure comprising:…

Sealing Apparatus and Method for a Downhole Tool
US 08544553 B2, Oct. 1, 2013, Assembling well part, Mark Milkovisch et al. / Schlumberger Technology Corporation (Sugar Land, US)
An apparatus, comprising:…

Systems and Methods for Producing Oil And/Or Gas
US 08528645 B2, Sept. 10, 2013, Placing fluid into the formation, Paul Clinton et al. / Shell Oil Company (Houston, US)
A system for producing oil and/or gas comprising:…

Wellhead Assembly Having a Nested Tubing Head
US 08505636 B2, Aug. 13, 2013, Above ground parts, Scott Travis Webster et al.
A wellhead assembly, comprising:…

Bi-Directional Internal Tubing Plug
US 08459344 B1, June 11, 2013, Central Member With Pre-Set Packer or Plug in Same Conduit, William Bundy Stone
A well closure apparatus, comprising:…

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