Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
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03/26/1985 | US4507208 Process for handling waste from oil well operations |
03/26/1985 | US4506735 Operating system for increasing the recovery of fluids from a deposit, simplifying production and processing installations, and facilitating operations with enhanced safety |
03/19/1985 | US4505155 Borehole pressure measuring system |
02/26/1985 | US4501674 Contacting with enzyme catalyst, alkanol substrate and at least one hydrocarbon |
02/26/1985 | US4501323 Method and apparatus for monitoring the corrosive effects of well fluids |
02/26/1985 | US4501322 Hyper cleaning casing brush |
02/26/1985 | US4501056 Tool for disconnecting a guideline connector and a process for using same |
02/12/1985 | US4498563 Wireline catcher |
02/12/1985 | CA1182292A1 Method and apparatus for disposing of drill cuttings at an offshore location |
02/05/1985 | CA1182039A1 Remote alignment method and apparatus |
01/31/1985 | WO1985000354A1 Process and apparatus for handling waste from oil well operations |
01/29/1985 | US4496013 Prevention of cone seal failures in rock bits |
01/22/1985 | US4494607 Method of cleaning and inhibiting sucker rod corrosion |
01/15/1985 | US4493775 Reaction product of cyclohexylamine, excess formaldehyde, and acetophenone |
01/01/1985 | US4491738 Means for generating electricity during drilling of a borehole |
01/01/1985 | US4490891 Line clamp |
12/25/1984 | US4490262 High density fluid containing calcium and zinc bromide |
12/18/1984 | US4488758 Combination of a mineral mining pick and a pick holder |
12/18/1984 | US4488578 Prevention of hydrogen embrittlement of metals in corrosive environments |
11/27/1984 | CA1178530A1 Positioning of deflection wedges |
11/20/1984 | US4483397 Method and apparatus for monitoring well tubing fluid |
11/20/1984 | CA1178048A1 Method for drying oil well drill cuttings |
11/13/1984 | US4482459 Continuous process for the reclamation of waste drilling fluids |
11/06/1984 | US4480944 Offshore drilling of large diameter holes in rock formations |
11/06/1984 | US4480702 Method and apparatus for drilling oil well and treating drilling mud |
11/06/1984 | US4480687 Side pocket mandrel system for dual chemical injection |
11/06/1984 | CA1177513A1 Generator for producing electric power |
10/30/1984 | US4479656 Means for sealing a gap around a conductor pipe in an offshore oil platform |
10/30/1984 | US4479558 Drilling sub |
10/30/1984 | US4479486 Method for utilization of oil field waste brine to develop a salt gradient solar pond |
10/16/1984 | US4476930 A nitrogen-containing salt to prevent deposition |
10/03/1984 | EP0120156A2 Electromechanical manipulator assembly |
10/03/1984 | EP0120015A1 Loading device for loads movable with respect to a water surface |
10/02/1984 | CA1175413A1 Mud by-pass regulator apparatus for measurement while drilling system |
09/25/1984 | US4473115 With stabilized solution of chlorine dioxide |
09/11/1984 | US4470468 Offshore drilling of large diameter holes in rock formations |
09/04/1984 | US4469181 Adjustable conductor guide assembly for sub-sea wells and methods and tools for adjustment thereof |
09/04/1984 | CA1173742A1 Underwater christmas tree cap and lockdown apparatus |
08/14/1984 | US4465601 Mixtures of calcium bromide, methanol, and water |
08/14/1984 | CA1172433A1 Connector assembly incorporating means for aligning connecting parts for connection together |
07/17/1984 | US4460295 Submersible connector |
07/17/1984 | US4460292 Process for containment of liquids as solids or semisolids |
07/17/1984 | US4460128 Apparatus for dispersing flammable gases into the atmosphere |
07/17/1984 | US4460040 For controlling the flow around a seal element |
07/17/1984 | US4459933 Marine tether anchoring device |
07/17/1984 | US4459931 Method and apparatus for tension setting and compression releasing tubular connectors |
07/17/1984 | CA1170979A1 In situ combustion for oil recovery |
06/19/1984 | US4454914 Method for conditioning geothermal brine to reduce scale formation |
06/05/1984 | US4452583 Liquid hydrocarbon burning method and apparatus |
06/05/1984 | CA1168576A1 Apparatus and method for controlling injection fluid flow in a well annulus |
05/29/1984 | US4451377 Process for cleaning an oil-contaminated brine containing particulate drill cutting solids |
05/29/1984 | US4451177 Guideline system for positioning subsea equipment |
05/29/1984 | US4451056 Remotely operated underwater tension connector |
05/29/1984 | US4450914 Well treatment valve |
05/22/1984 | US4449850 Antipollution device for recovering fluids lighter than water escaping from an underwater source |
05/22/1984 | US4449849 Method of removing water from earthen pits |
05/01/1984 | CA1166628A1 Rotary drilling drill string stabilizer-cuttings grinder |
05/01/1984 | CA1166627A1 Drilling sub |
04/24/1984 | US4444275 Carousel for vertically moored platform |
04/24/1984 | US4444260 Oil solvation process for the treatment of oil contaminated sand |
04/24/1984 | CA1166153A1 Disconnectable fitting for line guide |
04/17/1984 | US4443130 Remotely operated tool for performing functions under water |
04/17/1984 | US4442903 System for installing continuous anode in deep bore hole |
04/17/1984 | US4442900 Subsea well completion system |
04/17/1984 | US4442899 System for washing pipes |
04/17/1984 | CA1165854A1 Signalling within a borehole while drilling |
04/17/1984 | CA1165853A1 Signalling within a borehole while drilling |
04/17/1984 | CA1165571A1 Antinpollution device and method for catching fluids leaking from an underwater source |
04/10/1984 | US4441557 Method and device for hydraulic jet well cleaning |
04/03/1984 | US4440241 Method and apparatus for drilling a well bore |
04/03/1984 | CA1164796A1 Marine conductor bending tool and method |
03/27/1984 | US4439069 Method and apparatus for disposing of drill cuttings at an offshore location |
03/27/1984 | US4439068 Releasable guide post mount and method for recovering guide posts by remote operations |
03/20/1984 | US4437521 Subsea wellhead connection assembly and methods of installation |
03/13/1984 | US4436166 Downhole vortex generator and method |
03/13/1984 | US4436165 Drain hole drilling |
03/13/1984 | US4436148 Chemical treatment for oil wells |
02/28/1984 | US4434028 Solvent extraction |
02/28/1984 | US4433939 Marine conductor bending tool and method |
02/14/1984 | US4431963 Apparatus for determining a natural current flow in well casing |
02/14/1984 | US4431402 Waste gas flare igniter |
02/14/1984 | CA1162042A1 Method for drying drilling mud |
02/08/1984 | EP0099884A1 Method and apparatus for treating waste rock cuttings |
02/07/1984 | US4429746 Method and apparatus for disposing of drilling muds and wastes generated during well drilling operations and for plugging and abandoning the well |
02/07/1984 | US4429742 Tubular alignment assembly |
02/07/1984 | US4429740 Combination gas producing and waste-water disposal well |
01/31/1984 | US4428842 Well reserve pit liquor treatment process |
01/24/1984 | US4427072 Method and apparatus for deep underwater well drilling and completion |
01/24/1984 | US4427062 Positioning of deflection wedges |
01/17/1984 | USRE31495 Hydraulic jet well cleaning method and apparatus |
01/17/1984 | US4426173 Remote alignment method and apparatus |
01/10/1984 | US4424862 Injection devices |
01/10/1984 | CA1160211A1 Method and arrangement for improving cuttings removal and reducing differential pressure sticking of drill strings in wellbores |
12/21/1983 | EP0096636A1 System for obtaining fluids from a deposit |
12/20/1983 | US4421436 Tension leg platform system |
12/20/1983 | US4421051 Auxiliary boom for emergency evacuation |
12/20/1983 | US4420916 Method and apparatus for aligning and securing auxiliary equipment with respect to a well drilling platform |
11/30/1983 | EP0095397A1 System for preventing liquids from being driven to the flare stack tip |
11/29/1983 | US4417830 Connector assembly |
11/22/1983 | US4416333 Corrosion inhibiting process for a remotely located deep corrosive gas well |