| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 05/06/1992 | CN1060887A Method and system for controlling travelling body so as to move forward along predetermined route of movement of travelling body |
| 05/05/1992 | US5109933 Drill cuttings disposal method and system |
| 04/30/1992 | WO1992006802A1 A method of disposing of drilling wastes |
| 04/30/1992 | CA2094255A1 Method of disposing of drilling wastes |
| 04/29/1992 | EP0482926A2 Downhole tool with hydraulic timer |
| 04/28/1992 | US5108226 Technique for disposal of drilling wastes |
| 04/28/1992 | US5107943 Method and apparatus for gravel packing of wells |
| 04/28/1992 | US5107930 Guide line attachment |
| 04/28/1992 | US5107874 Apparatus for cleaning particulate solids |
| 04/26/1992 | WO1992007667A1 Hydraulic embedment of waste in subterranean formations |
| 04/22/1992 | CN1060449A Sode ash production |
| 04/15/1992 | EP0480772A1 Subsea production system |
| 04/15/1992 | CN1060333A Method for building deep level base-rock marker and level base-rock marker |
| 04/14/1992 | US5104545 Process for removing water soluble organic compounds from produced water |
| 04/14/1992 | US5103914 Well treatment system |
| 04/14/1992 | US5103906 Hydraulic timer for downhole tool |
| 04/08/1992 | EP0479584A2 Burner apparatus |
| 04/08/1992 | EP0478798A1 System for controlling direction of underground excavator |
| 04/07/1992 | US5101907 Differential actuating system for downhole tools |
| 04/07/1992 | US5101900 Sand control in wells with gas generator and resin |
| 04/06/1992 | CA2052785A1 Burner apparatus |
| 04/01/1992 | EP0478094A2 Method and system for attaching and removing equipment from a wellhead |
| 03/31/1992 | US5099918 Power sources for downhole electrical heating |
| 03/24/1992 | US5098219 Mobile submersible caisson for underwater oil-well drilling and production |
| 03/17/1992 | US5096124 Burner apparatus |
| 03/17/1992 | US5095978 Hydraulically operated permanent type well packer assembly |
| 03/17/1992 | US5095977 Coupon holder for corrosion test downhole in a borehole |
| 03/10/1992 | US5094103 Steam quality and flow rate measurement |
| 03/03/1992 | US5093008 Process and apparatus for recovering reuseable water form waste drilling fluid |
| 03/03/1992 | CA1296619C Oil production facility of modular design for underwater station |
| 02/25/1992 | US5090498 Water wash/oil wash cyclonic column tank separation system |
| 02/18/1992 | WO1992003633A1 Drill cuttings disposal method and system |
| 02/18/1992 | US5088558 Undersea package and installation system |
| 02/11/1992 | US5086842 Device and installation for the cleaning of drains, particularly in a petroleum production well |
| 02/11/1992 | CA1295546C Method and apparatus for producing viscous crudes |
| 02/05/1992 | EP0469140A1 Device for protecting wells from corrosion or deposits caused by the nature of the fluid produced or located therein. |
| 02/05/1992 | EP0469133A1 Device for delivering corrosion or deposition inhibiting agents into a well by means of an auxiliary delivery tube. |
| 02/04/1992 | US5085277 Sub-sea well injection system |
| 01/23/1992 | WO1992001140A1 System for supporting drive of excavating type underground digging machine |
| 01/22/1992 | EP0467573A2 Subsurface pressure actuated well apparatus |
| 01/15/1992 | EP0466472A2 Annulus pressure responsive downhole testing tool |
| 01/15/1992 | EP0466348A1 A method and system for controlling a travelling body so as to move forward along a predetermined route |
| 01/14/1992 | US5080721 Process for cleaning particulate solids |
| 01/14/1992 | CA2046848A1 Method and system for controlling a travelling body so as to move forward along the predetermined route of the movement of travelling body |
| 01/14/1992 | CA1294112C Insitu hazardous waste treating apparatus and method of using same |
| 01/11/1992 | CA2046698A1 Hydraulic system for electronically controlled pressure activated downhole testing tool |
| 01/10/1992 | CA2046470A1 Method and apparatus for actuating a downhole tool |
| 01/07/1992 | US5079750 Method and apparatus for transmitting information in a borehole employing discrimination |
| 01/07/1992 | US5078210 Time delay perforating apparatus |
| 01/01/1992 | CN1057412A Process and apparatus for cleaning particulate solids |
| 01/01/1992 | CN1057411A Process and apparatus for cleaning particulate solids |
| 12/24/1991 | US5074717 Clamped body replacement tool |
| 12/24/1991 | US5074713 Connector module to deal with, extend and repair undersea lines, operated by remotely operated vehicle |
| 12/10/1991 | US5070951 Drill for water wells |
| 12/03/1991 | US5069725 Pollution control |
| 12/03/1991 | US5069580 Subsea payload installation system |
| 12/03/1991 | US5069285 Dual wall well development tool |
| 12/03/1991 | US5069284 Wear resistant rod guide |
| 11/26/1991 | US5067657 Burner nozzle |
| 11/19/1991 | USRE33747 Rigidification of semi-solid agglomerations |
| 11/19/1991 | US5065825 Method and device for remote-controlling drill string equipment by a sequence of information |
| 11/18/1991 | CA2017164A1 Fluid and abrasive delivery system for hyper pressure fluids |
| 11/13/1991 | EP0456415A2 Control apparatus and method responsive to a changing stimulus |
| 11/05/1991 | CA1291704C Process for passing carbon dioxide through a cased, cemented and perforated well |
| 10/31/1991 | WO1991016525A1 System for controlling direction of underground excavator |
| 10/29/1991 | US5061119 Method and apparatus for the remediation of contaminated soils |
| 10/29/1991 | US5060725 High pressure well perforation cleaning |
| 10/27/1991 | CA2015576A1 Cover for water wells |
| 10/24/1991 | DE4012625A1 Water sample extractor for bore - has operating unit providing bidirectional optical data transfer for programming and sensor information |
| 10/19/1991 | CA2038649A1 Catalytic downhole reactor and steam generator |
| 10/15/1991 | US5056600 Control apparatus and method responsive to a changing stimulus |
| 10/15/1991 | US5056599 Method for treatment of wells |
| 10/09/1991 | EP0450207A1 Downhole drilling tool system |
| 10/09/1991 | EP0450170A2 Well regeneration device |
| 10/09/1991 | EP0334944A4 Apparatus and method for removing and recovering oil and/or other oil-based drilling mud additives from drill cuttings |
| 10/09/1991 | CN1055219A Construction for hanging freely auxiliary gushing tube in deep well |
| 10/09/1991 | CN1055218A Equipment for completion of well |
| 10/03/1991 | WO1991013232A3 Process and apparatus for cleaning particulate solids |
| 10/01/1991 | US5053082 Using cyclone separator and/or centrifuge |
| 10/01/1991 | US5052491 Oil tool and method for controlling paraffin deposits in oil flow lines and downhole strings |
| 10/01/1991 | US5052482 Catalytic downhole reactor and steam generator |
| 09/25/1991 | CN1054813A Method and system for controlling vibrations in borehole equipment |
| 09/24/1991 | US5050681 Hydraulic system for electronically controlled pressure activated downhole testing tool |
| 09/24/1991 | US5050675 Perforating and testing apparatus including a microprocessor implemented control system responsive to an output from an inductive coupler or other input stimulus |
| 09/19/1991 | WO1991014214A1 Drilling process and apparatus |
| 09/19/1991 | WO1991014076A1 Well clearing and cleaning device |
| 09/19/1991 | WO1991014075A1 Process and apparatus for cleaning particulate solids |
| 09/17/1991 | US5048603 Lubricator corrosion inhibitor treatment |
| 09/10/1991 | US5046895 ROV service system |
| 09/05/1991 | WO1991013235A1 Device for delivering corrosion or deposition inhibiting agents into a well by means of an auxiliary delivery tube |
| 09/05/1991 | WO1991013234A1 Device for protecting wells from corrosion or deposits caused by the nature of the fluid produced or located therein |
| 08/29/1991 | WO1991013232A2 Process and apparatus for cleaning particulate solids |
| 08/29/1991 | CA2076636A1 Process and apparatus for cleaning particulate solids |
| 08/28/1991 | EP0443689A2 Method and system for controlling vibrations in borehole equipment |
| 08/27/1991 | US5043149 Slurrying tailing with sodium (bi)carbonate; settling; removing liquids |
| 08/20/1991 | US5040599 Using coke and sodium bentonite as backfill material impervious to water |
| 08/13/1991 | US5038865 Method of and apparatus for protecting downhole equipment |
| 08/13/1991 | CA1287566C Injection mandrel |
| 08/08/1991 | WO1991011736A1 Apparatus for inductively coupling signals between a downhole sensor and the surface |
| 07/31/1991 | EP0438454A1 Coupling arrangement for components in subsea structures and a remotely operated tool unit for handling such components |