Assignee
EXXON PRODUCTION RESEARCH CO
588 granted patents·31,166 citations·filing 1973–1999
Top patents by PatentIndex Score
588 records- 0198US6023942AProcess for liquefaction of natural gasEXXON PRODUCTION RESEARCH CO·Filed 1998·Granted Feb 15, 2000·261 cites·29 claims
- 0298US4716964AUse of degradable ball sealers to seal casing perforations in well treatment fluid diversionEXXON PRODUCTION RESEARCH CO·Filed 1986·Granted Jan 5, 1988·490 cites·5 claims
- 0398US4617518AMethod and apparatus for offshore electromagnetic sounding utilizing wavelength effects to determine optimum source and detector positionsEXXON PRODUCTION RESEARCH CO·Filed 1983·Granted Oct 14, 1986·300 cites·15 claims
- 0498US4533372AMethod and apparatus for separating carbon dioxide and other acid gases from methane by the use of distillation and a controlled freezing zoneEXXON PRODUCTION RESEARCH CO·Filed 1983·Granted Aug 6, 1985·155 cites·76 claims
- 0598US4526695AComposition for reducing the permeability of subterranean formationsEXXON PRODUCTION RESEARCH CO·Filed 1983·Granted Jul 2, 1985·244 cites·5 claims
- 0698US4387769AMethod for reducing the permeability of subterranean formationsEXXON PRODUCTION RESEARCH CO·Filed 1981·Granted Jun 14, 1983·335 cites·11 claims
- 0798US4127173AMethod of gravel packing a wellEXXON PRODUCTION RESEARCH CO·Filed 1977·Granted Nov 28, 1978·123 cites·15 claims
- 0898US4102401AWell treatment fluid diversion with low density ball sealersEXXON PRODUCTION RESEARCH CO·Filed 1977·Granted Jul 25, 1978·121 cites·8 claims
- 0997US5956971AProcess for liquefying a natural gas stream containing at least one freezable componentEXXON PRODUCTION RESEARCH CO·Filed 1998·Granted Sep 28, 1999·212 cites·30 claims
- 1097US5062270AMethod and apparatus to start-up controlled freezing zone process and purify the product streamEXXON PRODUCTION RESEARCH CO·Filed 1990·Granted Nov 5, 1991·169 cites·60 claims
- 1197US4923493AMethod and apparatus for cryogenic separation of carbon dioxide and other acid gases from methaneEXXON PRODUCTION RESEARCH CO·Filed 1988·Granted May 8, 1990·139 cites·13 claims
- 1297US4511382AMethod of separating acid gases, particularly carbon dioxide, from methane by the addition of a light gas such as heliumEXXON PRODUCTION RESEARCH CO·Filed 1983·Granted Apr 16, 1985·107 cites·17 claims
- 1397US4233165AWell treatment with emulsion dispersionsEXXON PRODUCTION RESEARCH CO·Filed 1978·Granted Nov 11, 1980·143 cites·34 claims
- 1497US4187909AMethod and apparatus for placing buoyant ball sealersEXXON PRODUCTION RESEARCH CO·Filed 1977·Granted Feb 12, 1980·182 cites·6 claims
- 1597US4127168AWell packers using metal to metal sealsEXXON PRODUCTION RESEARCH CO·Filed 1977·Granted Nov 28, 1978·211 cites·27 claims
- 1696US5950453AMulti-component refrigeration process for liquefaction of natural gasEXXON PRODUCTION RESEARCH CO·Filed 1998·Granted Sep 14, 1999·159 cites·21 claims
- 1796US4892337AFatigue-resistant threaded connectorEXXON PRODUCTION RESEARCH CO·Filed 1988·Granted Jan 9, 1990·249 cites·18 claims
- 1896US4832148AMethod and system for measuring azimuthal anisotropy effects using acoustic multipole transducersEXXON PRODUCTION RESEARCH CO·Filed 1987·Granted May 23, 1989·292 cites·44 claims
- 1996US4519452AMethod of drilling and cementing a well using a drilling fluid convertible in place into a settable cement slurryEXXON PRODUCTION RESEARCH CO·Filed 1984·Granted May 28, 1985·205 cites·12 claims
- 2096US4483398AIn-situ retorting of oil shaleEXXON PRODUCTION RESEARCH CO·Filed 1983·Granted Nov 20, 1984·170 cites·3 claims
- 2196US4440239AMethod and apparatus for controlling the flow of drilling fluid in a wellboreEXXON PRODUCTION RESEARCH CO·Filed 1981·Granted Apr 3, 1984·188 cites·43 claims
- 2296US4359391AWell treatment with emulsion dispersionsEXXON PRODUCTION RESEARCH CO·Filed 1979·Granted Nov 16, 1982·93 cites·13 claims
- 2396US4344485AMethod for continuously producing viscous hydrocarbons by gravity drainage while injecting heated fluidsEXXON PRODUCTION RESEARCH CO·Filed 1980·Granted Aug 17, 1982·323 cites·21 claims
- 2496US4176986ASubsea riser and flotation means thereforEXXON PRODUCTION RESEARCH CO·Filed 1977·Granted Dec 4, 1979·104 cites·22 claims
- 2596US4099583AGas lift system for marine drilling riserEXXON PRODUCTION RESEARCH CO·Filed 1977·Granted Jul 11, 1978·233 cites·9 claims
- 2695US5583825AMethod for deriving reservoir lithology and fluid content from pre-stack inversion of seismic dataEXXON PRODUCTION RESEARCH CO·Filed 1994·Granted Dec 10, 1996·286 cites·35 claims
- 2795US4890568ASteerable tail buoyEXXON PRODUCTION RESEARCH CO·Filed 1988·Granted Jan 2, 1990·167 cites·15 claims
- 2895US4295213AComposite seismic signalEXXON PRODUCTION RESEARCH CO·Filed 1979·Granted Oct 13, 1981·67 cites·8 claims
- 2995US4293428APropoxylated ethoxylated surfactants and method of recovering oil therewithEXXON PRODUCTION RESEARCH CO·Filed 1978·Granted Oct 6, 1981·139 cites·26 claims
- 3095US4287952AMethod of selective diversion in deviated wellbores using ball sealersEXXON PRODUCTION RESEARCH CO·Filed 1980·Granted Sep 8, 1981·145 cites·11 claims
- 3195US4091869AIn situ process for recovery of carbonaceous materials from subterranean depositsEXXON PRODUCTION RESEARCH CO·Filed 1976·Granted May 30, 1978·360 cites·7 claims
- 3295US4085803AMethod for oil recovery using a horizontal well with indirect heatingEXXON PRODUCTION RESEARCH CO·Filed 1977·Granted Apr 25, 1978·177 cites·16 claims
- 3395US3935339AMethod for coating particulate material thereofEXXON PRODUCTION RESEARCH CO·Filed 1973·Granted Jan 27, 1976·70 cites·17 claims
- 3494US5838634AMethod of generating 3-D geologic models incorporating geologic and geophysical constraintsEXXON PRODUCTION RESEARCH CO·Filed 1996·Granted Nov 17, 1998·392 cites·32 claims
- 3594US5747750ASingle well system for mapping sources of acoustic energyEXXON PRODUCTION RESEARCH CO·Filed 1994·Granted May 5, 1998·131 cites·17 claims
- 3694US4904942AElectroseismic prospecting by detection of an electromagnetic signal produced by dipolar movementEXXON PRODUCTION RESEARCH CO·Filed 1988·Granted Feb 27, 1990·107 cites·32 claims
- 3794US4846780ACentrifuge processor and liquid level control systemEXXON PRODUCTION RESEARCH CO·Filed 1988·Granted Jul 11, 1989·131 cites·42 claims
- 3894US4407368APolyurethane ball sealers for well treatment fluid diversionEXXON PRODUCTION RESEARCH CO·Filed 1978·Granted Oct 4, 1983·107 cites·12 claims
- 3994US4225160ALow friction remotely operable clamp type pipe connectorEXXON PRODUCTION RESEARCH CO·Filed 1978·Granted Sep 30, 1980·83 cites·22 claims
- 4094US4091881AArtificial lift system for marine drilling riserEXXON PRODUCTION RESEARCH CO·Filed 1977·Granted May 30, 1978·174 cites·6 claims
- 4194US4068718AHydraulic fracturing method using sintered bauxite propping agentEXXON PRODUCTION RESEARCH CO·Filed 1976·Granted Jan 17, 1978·366 cites·15 claims
- 4294US4019334AMethod and apparatus for making subsea pipe connectionsEXXON PRODUCTION RESEARCH CO·Filed 1976·Granted Apr 26, 1977·87 cites·10 claims
- 4394US4019371AApparatus and method for externally testing conduit connectionsEXXON PRODUCTION RESEARCH CO·Filed 1976·Granted Apr 26, 1977·113 cites·19 claims
- 4494US3977471AOil recovery method using a surfactantEXXON PRODUCTION RESEARCH CO·Filed 1975·Granted Aug 31, 1976·78 cites·18 claims
- 4594US3946812AUse of materials as waterflood additivesEXXON PRODUCTION RESEARCH CO·Filed 1975·Granted Mar 30, 1976·125 cites·6 claims
- 4694US3933338ABalanced stem fail-safe valve systemEXXON PRODUCTION RESEARCH CO·Filed 1974·Granted Jan 20, 1976·67 cites·12 claims
- 4793US5877995AGeophysical prospectingEXXON PRODUCTION RESEARCH CO·Filed 1991·Granted Mar 2, 1999·118 cites·29 claims
- 4893USH1490HMarine geophysical prospecting systemEXXON PRODUCTION RESEARCH CO·Filed 1993·Granted Sep 5, 1995·108 cites·13 claims
- 4993US5173880AMethod of generating seismic wavelets using seismic range equationEXXON PRODUCTION RESEARCH CO·Filed 1990·Granted Dec 22, 1992·128 cites·69 claims
- 5093US4796670ADrill pipe protectorEXXON PRODUCTION RESEARCH CO·Filed 1987·Granted Jan 10, 1989·102 cites·14 claims
Showing the top 50 of 588 patent records by PatentIndex Score.
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