Matches 1 - 11 out of 11


Match Document Document Title
US20130269927 POLISH ROD SEAL  
A polish rod seal comprising: a post with a bottom end, top part, and circumferential flange situated between the bottom end and top part; a collar that fits over the top part of the post, the...
US20110094731 SUBSEA GREASE SYSTEM AND METHOD OF OPERATING SAID SYSTEM  
The present invention is a method and system for supplying grease to maintain a sealed well during deployment of line, in particular braided electrical wire. The subsea grease cartridge system...
US20110220368 WIRELINE LUBRICATOR  
A wireline lubricator and a connector (10) comprising a first part (100) with a first seal portion (101) and a first throughgoing passage for receiving a part of a wireline, and a second part...
US20080210437 Top drive with shaft seal isolation  
A top drive system for wellbore operations, the top drive system including a main shaft having an upper shaft seal system with a raised platform for supporting the seal system, and, in one aspect,...
US20090272521 Stuffing Box for Pump Drive Head of Oil Well  
The improved stuffing box (7), adapted to be mounted inside an oil well head incorporating a rotary pump drive (50), includes: a rotating tube (2) having a stationary seal (3) coupled to a drive...
US20110315404 Lubricating Seal for Use with a Tubular  
Sealing elements have lubricating seal profiles for communicating fluid between the sealing elements and the sealed drill string tubular or other oilfield component while the sealed drill string...
US20080190599 Packless stuffing box annular seal assembly  
An improved annular seal assembly and packless stuffing box for an oil pumping unit of the type having a polished rod reciprocatingly extending therethrough and downhole to a pump located at the...
US20100218937 Seal For A Drill String  
Sealing arrangement for dynamic sealing around a drill stem (16) or a coiled tubing is described, comprising an elongated, dynamic sealing unit (10) which is arranged to surround the drill stem...
US20080110613 Wireline grease head  
Grease control head utilizing at least one ceramic insert for sealing around wireline, slick-line or braided wire while performing service operations in a well.
US20100258323 PRESSURE CONTROL DEVICE FOR WIRELINE CABLES  
An embodiment of a pressure control assembly for a wireline cable disposed in a wellbore comprises a housing frame, at least a pair of sealing devices disposed in the housing, the sealing devices...
US20100218938 Heat exchanger system and method of use thereof and well drilling equipment comprising same  
A bearing cooling system comprises a bearing assembly, a heat exchanger, a coolant flow circuit apparatus and a lubricant flow circuit apparatus. The bearing assembly is configured for being...

Matches 1 - 11 out of 11