公开(公告)号：WO1988004745A1

公开(公告)日：1988-06-30

申请号：PCT/US1987002385

申请日：1987-09-21

Applicant: MARATHON OIL COMPANY

Inventor： MARATHON OIL COMPANY ,  BARREE, Robert, D.

IPC: F16K11/044

CPC classification number: F16K11/044 ,  Y10T137/8663 ,  Y10T137/86895

Abstract: A low internal volume three-way valve for high speed switching of high pressure, high temperature fluids without volume change. Such valves have particular application with positive displacement pumps for precision laboratory measurements wherein corrosive fluids are used.

Abstract translation: 低体积三通阀，用于高速，高温流体的高速切换，无体积变化。 这种阀门具有特殊应用，用于使用腐蚀性流体的精密实验室测量的容积式泵。

公开(公告)号：WO1988004717A1

公开(公告)日：1988-06-30

申请号：PCT/US1987002444

申请日：1987-09-28

Applicant: MARATHON OIL COMPANY

Inventor： MARATHON OIL COMPANY ,  SYDANSK, Robert, D.

IPC: E21B33/13

CPC classification number: C09K8/512 ,  C09K8/44

Abstract: A volume in or near a wellbore penetrating a subterranean hydrocarbon-bearing formation is plugged using a cementing gel comprising a high molecular weight, water-soluble carboxylate-containing polymer and a chromic carboxilate complex crosslinking agent. The gel components are combined at the surface and injected into the volume via the wellbore to form a continuous single-phase gel therein.

公开(公告)号：WO1988002806A1

公开(公告)日：1988-04-21

申请号：PCT/US1987001729

申请日：1987-07-20

Applicant: MARATHON OIL COMPANY

Inventor： MARATHON OIL COMPANY ,  SYDANSK, Robert, D.

IPC: E21B33/138

CPC classification number: C09K8/685 ,  C09K8/512

Abstract: A process for controlling the gelation rate of a carboxylate-containing polymer used in oil recovery applications. A gel is prepared by mixing a single aqueous gelation solution at the surface made up of the polymer and a crosslinking agent containing a chromic carboxylate complex and an inorganic chromic salt. The concentration of the inorganic chromic salt is selected at a level which achieves the desired rate of gelation for a given application.

公开(公告)号：WO1984003287A1

公开(公告)日：1984-08-30

申请号：PCT/US1983001766

申请日：1983-11-09

Applicant: MARATHON OIL COMPANY

Inventor： MARATHON OIL COMPANY ,  LUETZELSCHWAB, Wayne, E.

IPC: C08F02/10

CPC classification number: C08F2/10 ,  B01J14/00 ,  B01J19/245 ,  B01J2219/00103 ,  B01J2219/00166 ,  C09K8/588

Abstract: Apparatus and method for the on-site, continuous preparation of aqueous solutions of polymers, especially aqueous solutions of partially hydrolyzed polyacrylamides, for use in secondary and tertiary oil recovery operations. The apparatus comprises a polymerization reactor and a post reactor. Successive batches of a pre-prepared reaction mixture are continuously fed into the polymerization reaction in a manner to form zones or layers in the reactor, each zone or layer comprising a reaction mixture which has reached a different stage or level of completion of the reaction than the zone or layer below and above it. The zones or layers are continuously moved through the polymerization reactor at a rate such that when a zone or layer reaches the outlet of the polymerization reactor, the reaction will have gone to substantial completion. The zones or layers are continuously conveyed from the polymerization reactor to the post reactor. Enroute to the post reactor, a polymer modifying agent is continuously introduced into the zones or layers from the polymerization reactor. A second reaction mixture is established in the post reactor in which the extent of the completeness of the reaction taking place in the post reactor varies from the inlet to the outlet thereof. The second reaction mixture is continuously moved through the post reactor at a flow rate such that the reaction will by substantially complete when the outlet of the post reactor is reached.

公开(公告)号：WO1984000967A1

公开(公告)日：1984-03-15

申请号：PCT/US1983001046

申请日：1983-07-11

Applicant: MARATHON OIL COMPANY

Inventor： MARATHON OIL COMPANY ,  LUETZELSCHWAB, Wayne, E.

IPC: C08F08/12

CPC classification number: B01J19/1862 ,  B01J2219/00164 ,  C08F8/44 ,  C08F8/12 ,  C08F120/56

Abstract: Apparatus and method for the continuous preparation of dilute solutions of water soluble polymers, and especially a closed, on-site arrangement for the continuous production of partially hydrolyzed polyacrylamide solutions for use in the secondary and tertiary recovery of oil from subterranean, oil-bearing reservoirs. The apparatus, in its preferred form, comprises an in-line system which includes a polymerization reactor, a hydrolysis reactor and a diluter. The dimensions of the reactors are such that the reactions taking place therein will go to completion as the reaction mixtures move from the inlet to the outlet of the reactors. Drag means advantageously are positioned in the reactors to control the flow rate of the reaction mixtures and to promote intermixing of the reactants. The diluter of the system incorporates a plurality of polymer dispersing stations which act to progressively increase the water absorbing surface area of the polymer as the polymer solution passes through each station. The diluted end product is characterized by its ability to meet the performance demands of substantially any oil-bearing formation.

公开(公告)号：WO1997030011A1

公开(公告)日：1997-08-21

申请号：PCT/US1996018751

申请日：1996-11-22

Applicant: MARATHON OIL COMPANY

Inventor： MARATHON OIL COMPANY ,  WAYCUILIS, John, J.

IPC: C07C07/06

CPC classification number: F23R3/36 ,  C01B3/382 ,  C01B2203/0244 ,  C01B2203/0415 ,  C01B2203/062 ,  C01B2203/0883 ,  C01B2203/0894 ,  C01B2203/1052 ,  C01B2203/1241 ,  C01B2203/127 ,  C01B2203/1276 ,  C01B2203/141 ,  C01B2203/142 ,  C01B2203/148 ,  C01B2203/1604 ,  C01B2203/82 ,  C01B2203/84 ,  C07C1/0405 ,  C07C1/0485 ,  F23C6/047 ,  F23C2201/301 ,  F23R3/346 ,  Y02P20/123 ,  Y02P20/124

Abstract: A system and process are provided for converting a light hydrocarbon gas to a synthetic heavier hydrocarbon liquid. The system includes an autothermal reformer, a Fischer-Tropsch reactor and a Brayton cycle that are structurally and functionally integrated. In the practice of the process, a mixture of a hydrocarbon feed gas, a compressed air feed and process steam is fed to the autothermal reformer to produce a synthesis gas. The synthesis gas is fed to the Fischer-Tropsch reactor where it is catalytically reacted to produce heavy hydrocarbons. The outlet from the Fischer-Tropsch reactor is separated into water, a low heating value tail gas, and the desired hydrocarbon liquid product. The water is pressurized and heated to generate process steam. The tail gas is heated and fed with compressed air and steam to the Brayton cycle having a combustor and a series of power turbines and compressors. The tail gas and air feed are burned in the combustor to produce a combustion gas that is used to drive a power turbine linked by a shaft to an air compressor, thereby driving the air compressor. The system further includes a plurality of heat exchangers that enable heat to be recovered from the outlet of the autothermal reformer. The recovered heat is used to make the process steam as well as to preheat the hydrocarbon feed gas before it is fed to the autothermal reformer, preheat the synthesis gas before it is fed to the Fischer-Tropsch reactor and preheat the tail gas before it is fed to the combustor.

Abstract translation: 提供了一种用于将轻烃气体转化为合成较重烃液体的系统和方法。 该系统包括结构和功能集成的自热重整器，费 - 托反应器和布雷顿循环。 在该方法的实践中，将烃​​进料气体，压缩空气进料和工艺蒸汽的混合物供给到自热重整器以产生合成气。 将合成气送入费 - 托反应器，在其中催化反应生成重质烃。 费 - 托反应器的出口被分离成水，低热值尾气和所需的烃液体产物。 水被加压和加热以产生工艺蒸汽。 尾气被加热，并将压缩空气和蒸汽送入具有燃烧器和一系列动力涡轮机和压缩机的布雷顿循环。 尾气和空气进料在燃烧器中燃烧以产生用于将由轴连接的动力涡轮机驱动到空气压缩机的燃烧气体，从而驱动空气压缩机。 该系统还包括多个热交换器，其能够使热量从自热重整器的出口回收。 回收的热量用于制造工艺蒸汽，以及在将烃进料气体进料到自热重整器之前对其进行预热，在将合成气送入费 - 托反应器之前对其进行预热，并在尾气预热之前预热尾气 进料到燃烧器。

公开(公告)号：WO1997029834A1

公开(公告)日：1997-08-21

申请号：PCT/US1996018727

申请日：1996-11-22

Applicant: MARATHON OIL COMPANY

Inventor： MARATHON OIL COMPANY ,  PLUMMER, Mark, A. ,  WAYCUILIS, John, J.

IPC: B01D53/52

CPC classification number: C01B17/05 ,  B01D53/1418 ,  B01D53/1468

Abstract: A process for removing liquid sulfur from a reaction mixture during a gas treating process, especially a process for removing hydrogen sulfide from a gaseous stream. Sulfur which is formed during the process is removed from a reaction mixture by first concentrating the sulfur in a small portion of the reaction mixture and then heating this portion to a temperature which is sufficient to melt the sulfur. The molten sulfur is removed from the reaction mixture and washed with a suitable solvent to remove any remaining reaction mixture.

Abstract translation: 一种在气体处理过程中从反应混合物中除去液态硫的方法，特别是从气流中除去硫化氢的方法。 通过首先将硫浓缩在反应混合物的一小部分中，然后将该部分加热到足以熔化硫的温度，从反应混合物中除去形成的硫。 将熔融的硫从反应混合物中除去并用合适的溶剂洗涤以除去任何剩余的反应混合物。

公开(公告)号：WO1997018028A1

公开(公告)日：1997-05-22

申请号：PCT/US1996015314

申请日：1996-09-25

Applicant: MARATHON OIL COMPANY

Inventor： MARATHON OIL COMPANY ,  PLUMMER, Mark, A. ,  WAYCUILIS, John, J.

IPC: B01D53/52

CPC classification number: C01B3/06 ,  B01D53/52 ,  B01D2251/80 ,  C01B17/05 ,  Y02E60/36

Abstract: A process for removing hydrogen sulfide and other components, such as water, low molecular weight hydrocarbons, and carbon dioxide, which are contained in a gaseous feed stream and converting hydrogen sulfide to elemental sulfur and hydrogen. In accordance with the process, a gaseous feed stream containing hydrogen sulfide and other components is contacted with a polar organic solvent having a quinone and a complexing agent dissolved therein. The complexing agent must have a pKb value of less than about 13.0. Reaction of the hydrogen sulfide in the gaseous feed stream with quinone results in an increased conversion of quinone to hydroquinone at low reactor temperatures and H2S partial pressures and in increased sulfur recovery. In additon, the presence of a complexing agent increases hydrogen production selectivity in the dehydrogenation of hydroquinone to quinone and hydrogen. The polar organic solvent also functions to dissolve a significant portion of the other components from the gaseous feed stream which are separated and recovered as products.

Abstract translation: 用于除去气态进料流中包含的硫化氢和其它组分如水，低分子量烃和二氧化碳并将硫化氢转化为元素硫和氢的方法。 根据该方法，将含有硫化氢和其它组分的气态进料流与其中溶解有醌和络合剂的极性有机溶剂接触。 络合剂必须具有小于约13.0的pKb值。 气态进料流中的硫化氢与醌的反应导致醌在低反应器温度和H 2 S分压下以及在增加的硫回收中转化为氢醌。 此外，络合剂的存在增加氢醌在醌和氢中脱氢时的氢生产选择性。 极性有机溶剂还用于从作为产物分离和回收的气态进料流中溶解大部分其它组分。

公开(公告)号：WO1997015747A1

公开(公告)日：1997-05-01

申请号：PCT/US1996014066

申请日：1996-09-05

Applicant: MARATHON OIL COMPANY

Inventor： MARATHON OIL COMPANY ,  COLLINS, Gary, J. ,  TRAHAN, Kevin, O. ,  BAUGH, John, Lindley

IPC: E21B43/00

CPC classification number: E21B23/006 ,  E21B7/043 ,  E21B7/061 ,  E21B7/068 ,  E21B23/002 ,  E21B33/03 ,  E21B33/047 ,  E21B41/08 ,  E21B43/017 ,  E21B43/14 ,  E21B43/305

Abstract: An apparatus (10) and process are provided for drilling and completing multiple subterranean wells from a template which is secured within a cased well bore extending to the surface. An orienting cam (11) having a bore (20) therethrough is positioned above the template such that the bore through the orienting cam is automatically aligned with one of at least two bores through the template. Fluid tight seals are provided between the orienting cam and the casing and between the orienting cam and one of the at least two bores through the template. Thereafter, a drill string including a drill bit is lowered from the surface of the earth through the casing, the bore through the orienting cam and the one bore through said template to drill a first subterranean well bore.

Abstract translation: 提供了一种设备（10）和方法，用于从固定在延伸到表面的套管井眼中的模板钻取和完成多个地下井。 具有穿过其中的孔（20）的定向凸轮（11）定位在模板上方，使得穿过定向凸轮的孔自动地与通过模板的至少两个孔中的一个对准。 定向凸轮和壳体之间以及定向凸轮与通过模板的至少两个孔中的一个之间提供流体密封。 此后，包括钻头的钻柱从地面的表面通过壳体降低，孔穿过定向凸轮并且一个孔穿过所述模板以钻出第一地下井。

公开(公告)号：WO1997011906A1

公开(公告)日：1997-04-03

申请号：PCT/US1996012443

申请日：1996-07-30

Applicant: MARATHON OIL COMPANY

Inventor： MARATHON OIL COMPANY ,  PLUMMER, Mark, A. ,  TACKETT, James, E.

IPC: C01B17/04

CPC classification number: C01B17/05 ,  B01D53/52 ,  C01B3/068 ,  C01B17/12 ,  Y02E60/36

Abstract: Recovery of an insoluble polymeric sulfur species from the reaction solution of a hydrogen sulfide conversion process is enhanced by adding a sulfur debonding agent to the hydrogen sulfide conversion reaction solution either at the outset of the process or after conversion of the hydrogen sulfide. Conversion of the hydrogen sulfide initially produces a soluble complex having the polymeric sulfur bound therein. The sulfur debonding agent breaks the soluble complex to produce a free insoluble polymeric species readily separable from the reaction solution by conventional physical means to obtain the desired sulfur product.

Abstract translation: 在硫化氢转化过程的反应溶液中还可以通过在硫化氢转化反应溶液开始时或硫化氢转化后向硫化氢转化反应溶液中加入硫脱粘剂来回收不溶性聚合硫物质。 硫化氢的转化最初产生其中结合有聚合硫的可溶性络合物。 硫脱粘剂破坏可溶性络合物以产生通过常规物理方法容易地与反应溶液分离的游离不溶性聚合物，以获得所需的硫产物。