| |
 |
|
Class Information
Number: 166/212
Name: Wells > Expansible anchor or casing > Fluid pressure actuated
Description: Devices in which the outwardly shiftable means is movable to or from the final position by means of the force exerted by the pressure of a fluid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7409758 |
Vibration damper systems for drilling with casing |
Aug. 12, 2008 |
| 7395857 |
Methods and apparatus for expanding tubing with an expansion tool and a cone |
Jul. 8, 2008 |
| 7383889 |
Mono diameter wellbore casing |
Jun. 10, 2008 |
| 7383888 |
Expansion pig |
Jun. 10, 2008 |
| 7383881 |
Stabiliser, jetting and circulating tool |
Jun. 10, 2008 |
| 7363690 |
Method and apparatus for forming a mono-diameter wellbore casing |
Apr. 29, 2008 |
| 7363691 |
Method and apparatus for forming a mono-diameter wellbore casing |
Apr. 29, 2008 |
| 7350596 |
Methods and apparatus for expanding the diameter of a borehole |
Apr. 1, 2008 |
| 7325618 |
Tubing expansion tool |
Feb. 5, 2008 |
| 7316274 |
One trip perforating, cementing, and sand management apparatus and method |
Jan. 8, 2008 |
| 7308944 |
Expander tool for use in a wellbore |
Dec. 18, 2007 |
| 7308935 |
Rotary pump stabilizer |
Dec. 18, 2007 |
| 7258168 |
Liner hanger with slip joint sealing members and method of use |
Aug. 21, 2007 |
| 7243722 |
Expander device |
Jul. 17, 2007 |
| 7243731 |
Apparatus for radially expanding tubular members including a segmented expansion cone |
Jul. 17, 2007 |
| 7240729 |
Apparatus for expanding a tubular member |
Jul. 10, 2007 |
| 7240728 |
Expandable tubulars with a radial passage and wall portions with different wall thicknesses |
Jul. 10, 2007 |
| 7222669 |
Method of repair of collapsed or damaged tubulars downhole |
May. 29, 2007 |
| 7216701 |
Apparatus for expanding a tubular member |
May. 15, 2007 |
| 7198100 |
Apparatus for expanding a tubular member |
Apr. 3, 2007 |
| 7195064 |
Mono-diameter wellbore casing |
Mar. 27, 2007 |
| 7195061 |
Apparatus for expanding a tubular member |
Mar. 27, 2007 |
| 7191829 |
Gripper assembly for downhole tools |
Mar. 20, 2007 |
| 7172019 |
Method and apparatus for forming a mono-diameter wellbore casing |
Feb. 6, 2007 |
| 7172029 |
Bi-directionally boosting and internal pressure trapping packing element system |
Feb. 6, 2007 |
| 7152686 |
Downhole weight bearing apparatus and method |
Dec. 26, 2006 |
| 7150323 |
Shoulder ring set on casing hanger trip |
Dec. 19, 2006 |
| 7121337 |
Apparatus for expanding a tubular member |
Oct. 17, 2006 |
| 7117957 |
Methods for drilling and lining a wellbore |
Oct. 10, 2006 |
| 7114573 |
Hydraulic setting tool for liner hanger |
Oct. 3, 2006 |
| 7114559 |
Method of repair of collapsed or damaged tubulars downhole |
Oct. 3, 2006 |
| 7108061 |
Expander for a tapered liner with a shoe |
Sep. 19, 2006 |
| 7090037 |
Device for anchoring a drill string in a borehole |
Aug. 15, 2006 |
| 7066259 |
Bore isolation |
Jun. 27, 2006 |
| 7063149 |
Tubing expansion with an apparatus that cycles between different diameter configurations |
Jun. 20, 2006 |
| 7048047 |
Gripper assembly for downhole tools |
May. 23, 2006 |
| 7044221 |
Apparatus for coupling a tubular member to a preexisting structure |
May. 16, 2006 |
| 7025145 |
Tensioning arrangement for a subsea wellhead assembly |
Apr. 11, 2006 |
| 7017670 |
Apparatus and method for expanding and fixing a tubular member within another tubular member, a liner or a borehole |
Mar. 28, 2006 |
| 7007758 |
Cavity positioning tool and method |
Mar. 7, 2006 |
| 6978844 |
Filling and circulating apparatus for subsurface exploration |
Dec. 27, 2005 |
| 6976536 |
Tubing expansion |
Dec. 20, 2005 |
| 6968904 |
Method and apparatus for operations in underground/subsea oil and gas wells |
Nov. 29, 2005 |
| 6966370 |
Apparatus for actuating an annular piston |
Nov. 22, 2005 |
| 6902008 |
Bi-directionally boosting and internal pressure trapping packing element system |
Jun. 7, 2005 |
| 6899182 |
Method of screen or pipe expansion downhole without addition of pipe at the surface |
May. 31, 2005 |
| 6877567 |
Expansion set liner hanger and method of setting same |
Apr. 12, 2005 |
| 6857473 |
Method of coupling a tubular member to a preexisting structure |
Feb. 22, 2005 |
| 6854521 |
System and method for creating a fluid seal between production tubing and well casing |
Feb. 15, 2005 |
| 6851479 |
Cavity positioning tool and method |
Feb. 8, 2005 |
|
|
|
