1
Rudy B Callihan, Clyde Wainwright: Method and apparatus for installing a cementing float shoe on the bottom of a well casing. Baker Oil Tools, Norvell & Associates, November 8, 1983: US04413682 (188 worldwide citation)

A method and apparatus are provided for effecting the replacement of a cementing float shoe on the bottom of a well casing. A casing extension sleeve defines an upwardly facing locating shoulder and a seal bore adjacent such shoulder. A new or replacement float shoe is run into the well casing on th ...


2
Richard J Ross: Chemical injection tubing anchor-catcher. Baker Oil Tools, Norvell & Associates, August 12, 1986: US04605063 (93 worldwide citation)

An anchoring apparatus for securing a production tubing string against axial movement in a subterranean well is disclosed. The anchoring apparatus can be employed with a conventional sucker rod pumping apparatus transporting fluids through the production tubing. A separate injection line is attached ...


3
David R Underdown, O Howard Glaze: Proppant charge and method. Baker Oil Tools, Norvell & Associates, April 17, 1984: US04443347 (92 worldwide citation)

A method is provided for propping a fracture in a subterranean formation which comprises injecting into a subterranean well a suspension in a carrier fluid of a pre-cured proppant charge, the pre-cured proppant charge being pre-cured prior to injection into the well, and comprising prior to injectio ...


4
Kammerer Jr Archer W: Method for insitu anchoring piling. Baker Oil Tools, Kriegel Bernard, March 19, 1974: US3797259 (89 worldwide citation)

Method for securing tubular piling or pile casing in the ground which comprises inserting tubular piling into the ground, preferably heavy piling adapted to be driven into the ground, inserting an expandable mechanism, e.g., an expandable hydraulically actuated mandrel, into the tubular piling at on ...


5
Gary L Harris: Method of employing a coated elastomeric packing element. Baker Oil Tools, Hubbard Thurman Turner & Tucker, September 5, 1989: US04862967 (86 worldwide citation)

This invention relates to a method for achieving a seal by an expandable packing element having a generally tubular configuration and being fabricated from elastomeric material adapted to be utilized in conjunction with a packer apparatus within a well bore conduit during the completion or workover ...


6
Yung J Kim: Concentric insulating conduit. Baker Oil Tools, Norvell & Associates, July 30, 1985: US04531552 (76 worldwide citation)

A concentric insulating tubular conduit member for use in forming a conduit string, such as a tubing string in a subterranean well, is disclosed. Each individual concentric conduit comprises an outer tubing and an outwardly flared inner tubing welded to the outer tubing at the ends. Insulation may b ...


7
Curington Alfred R: Threaded connector for impact devices. Baker Oil Tools, January 9, 1973: US3709306 (76 worldwide citation)

An impacting apparatus in which a threaded connection is provided between an anvil and a drill bit connected thereto, a malleable member located between the anvil and bit threads insuring a more uniform load distribution over the thread surfaces, the blows on the anvil being transmitted directly to ...


8
O Howard Glaze, David R Underdown: Proppant charge and method. Baker Oil Tools, Norvell & Associates, May 12, 1987: US04664819 (75 worldwide citation)

A pre-cured proppant charge useful, for example, for propping a fracture in a subterranean formation is disclosed. The charge is made up of a large number of particles composed of a single substrate particle which can be silica sand, glass beads, or the like, coated with a thermoset resin. The therm ...


9
Larry K Winslow: Method and apparatus for gravel packing well bores. Baker Oil Tools, Bernard Kriegel, June 15, 1976: US03963076 (75 worldwide citation)

A liner provided with by-pass ports and a perforated portion or screen below the ports is secured to a suitable well packer and lowered on an outer tubing string in well casing to a location at which the screen straddles casing perforations within a producing formation, the packer being packed-off a ...


10
David R Underdown, O Howard Glaze: Proppant charge and method. Baker Oil Tools, Norvell & Associates, January 14, 1986: US04564459 (72 worldwide citation)

A pre-cured proppant charge useful, for example, for propping a fracture in a subterranean formation is disclosed. The charge is made up of a large number of particles composed of a single substrate particle which can be silica sand, glass beads, or the like, coated with a thermoset resin. The therm ...