| |
 |
|
Class Information
Number: 166/84.1
Name: Wells > Above ground apparatus > With seal for reciprocating member
Description: Above ground apparatus comprising a flow prevention device for rod, pipe, tubing, wireline moving into and out of a well.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7416021 |
Armored stripper rubber |
Aug. 26, 2008 |
| 7409988 |
Blowout preventer packing element with non-metallic composite inserts |
Aug. 12, 2008 |
| 7401645 |
Downhole fluid disposal apparatus and methods |
Jul. 22, 2008 |
| 7380610 |
Stripper rubber insert assembly |
Jun. 3, 2008 |
| 7343968 |
Washpipe seal assembly |
Mar. 18, 2008 |
| 7343969 |
Secondary packing arrangement for reciprocating pump polished rod |
Mar. 18, 2008 |
| 7337851 |
Rotating stuffing box with split standpipe |
Mar. 4, 2008 |
| 7284602 |
Self-aligning stuffing box |
Oct. 23, 2007 |
| 7278494 |
Stripper rubber insert assembly |
Oct. 9, 2007 |
| 7255163 |
Convertible rotary seal for progressing cavity pump drivehead |
Aug. 14, 2007 |
| 7240727 |
Armored stripper rubber |
Jul. 10, 2007 |
| 7237618 |
Stripper rubber insert assembly |
Jul. 3, 2007 |
| 7210525 |
Apparatus for controlling a tool having a mandrel that must be stroked into or out of a well |
May. 1, 2007 |
| 7165610 |
Removable seal |
Jan. 23, 2007 |
| 7055593 |
Well stuffing box packing |
Jun. 6, 2006 |
| 7011160 |
High torque and high capacity rotatable center core with ram body assemblies |
Mar. 14, 2006 |
| 6877565 |
Arrangement for the removal of cuttings and gas arising from drilling operations |
Apr. 12, 2005 |
| 6843313 |
Pump drive head with stuffing box |
Jan. 18, 2005 |
| 6776232 |
Insert rod guide |
Aug. 17, 2004 |
| 6739390 |
Articulated seal |
May. 25, 2004 |
| 6651746 |
High torque and high capacity rotatable center core and floatable sealed body assemblies with universals ram applications and method |
Nov. 25, 2003 |
| 6648335 |
Metal-to-metal seal assembly for oil and gas production apparatus |
Nov. 18, 2003 |
| 6637516 |
High torque and high capacity rotatable center core and floatable sealed body assemblies with universal RAM applications and method |
Oct. 28, 2003 |
| 6637509 |
Wellhead stuffing box support assembly |
Oct. 28, 2003 |
| 6478303 |
Sealing ring packing |
Nov. 12, 2002 |
| 6412783 |
Self aligning stuffing box for pumpjacks |
Jul. 2, 2002 |
| 6378613 |
Large bore subsea Christmas tree and tubing hanger system |
Apr. 30, 2002 |
| 6129152 |
Rotating bop and method |
Oct. 10, 2000 |
| 6000469 |
Self aligning stuffing box and guide bushing assembly |
Dec. 14, 1999 |
| 5893417 |
Wireline lubrication wiper |
Apr. 13, 1999 |
| 5857518 |
Oil well pump leakage accumulator |
Jan. 12, 1999 |
| 5842252 |
Pipe wiper system |
Dec. 1, 1998 |
| 5803169 |
Rotary stuffing box and seal assembly |
Sep. 8, 1998 |
| 5791411 |
Wellhead stuffing box for rotating rod string |
Aug. 11, 1998 |
| 5775419 |
Wellhead leak containment device |
Jul. 7, 1998 |
| 5711533 |
Oilfield stuffing box with polished rod alignment |
Jan. 27, 1998 |
| 5647444 |
Rotating blowout preventor |
Jul. 15, 1997 |
| 5615736 |
Unitary diversionary-tubing hanger and energizable rod seal |
Apr. 1, 1997 |
| 5577566 |
Releasing tool |
Nov. 26, 1996 |
| 5577556 |
Unitary diversionary-tubing hanger and energizable rod seal |
Nov. 26, 1996 |
| 5566753 |
Stripper/packer |
Oct. 22, 1996 |
| 5409073 |
Rotating head with elastomeric member rotating assembly |
Apr. 25, 1995 |
| 5394939 |
Well head stuffing box leak detector and container |
Mar. 7, 1995 |
| 5392861 |
Residual pollution containment device and method of cleaning a wireline |
Feb. 28, 1995 |
| 5257812 |
Polished rod protection and sealing device |
Nov. 2, 1993 |
| 5217069 |
Sucker rod wiper |
Jun. 8, 1993 |
| 5211227 |
Fugitive emissions accumulator |
May. 18, 1993 |
| 5211228 |
Diverter system |
May. 18, 1993 |
| 5188173 |
Pressure control system and cable guiding device for use in drilling wells |
Feb. 23, 1993 |
| 5180008 |
Wellhead seal for wide temperature and pressure ranges |
Jan. 19, 1993 |
|
|
|
