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