公开(公告)号：US20110272139A1

公开(公告)日：2011-11-10

申请号：US12599818

申请日：2008-05-15

Applicant: Bernardus Johannes Henricus Van Den Brekel ,  Grigoriy Grinberg ,  Matthew Martin Shade ,  Mark Michael Shuster ,  Antonius Leonardus Wubben ,  Djurre Hans Zijsling

Inventor： Bernardus Johannes Henricus Van Den Brekel ,  Grigoriy Grinberg ,  Matthew Martin Shade ,  Mark Michael Shuster ,  Antonius Leonardus Wubben ,  Djurre Hans Zijsling

IPC: E21B17/00 ,  E21B7/00 ,  E21B21/00

CPC classification number: E21B17/1007 ,  C09K8/08 ,  C09K8/12 ,  C09K8/20 ,  C09K8/22 ,  C10M169/04 ,  C10M2201/085 ,  C10M2207/10 ,  C10M2207/2805 ,  C10M2207/401 ,  C10M2219/024 ,  C10M2223/04 ,  C10N2230/06 ,  E21B17/1085

Abstract: A system is provided for drilling a borehole into an earth formation, comprising a casing arranged in the borehole, a drill string extending through the interior of the casing to a lower end portion of the borehole, and a body of drilling fluid extending into the casing, the casing having an inner surface susceptible of wear due to frictional contact with an outer surface of the drill string during drilling of the borehole with the drill string. The system further comprises means for reducing wear of the inner surface of the casing, the means including at least one of a hardened layer at the inner surface of the casing, a friction-reducing layer at the outer surface of the drill string, and a lubricating compound contained in the body of drilling fluid.

Abstract translation: 提供一种用于将钻孔钻入地层的系统，包括布置在钻孔中的壳体，延伸穿过壳体内部到钻孔的下端部分的钻柱，以及延伸到壳体中的钻井液体 壳体具有在与钻柱钻孔期间由于与钻柱的外表面的摩擦接触而易磨损的内表面。 该系统还包括用于减小壳体内表面的磨损的装置，该装置包括壳体内表面处的硬化层，钻柱的外表面处的摩擦减小层和 包含在钻井液体中的润滑化合物。

公开(公告)号：US20110160098A1

公开(公告)日：2011-06-30

申请号：US13044613

申请日：2011-03-10

Applicant: Ian D. Smith

Inventor： Ian D. Smith

IPC: C09K8/06

CPC classification number: C09K8/08 ,  C09K8/04 ,  C09K2208/34 ,  E21B33/064 ,  Y10T137/0396

Abstract: An aqueous hydraulic fluid composition comprising a first lubricant comprising at least one phospholipid and a second lubricant comprising an alkoxylate salt. The aqueous hydraulic fluid composition contains less than about 20% by weight (preferably none or substantially none) of an oil selected from the group consisting of mineral oils, synthetic hydrocarbon oils, and mixtures thereof. The use of alkoxylate salts provides increased lubricity and also acts as an emulsion stabilizer for the composition.

Abstract translation: 一种水性液压流体组合物，其包含含有至少一种磷脂的第一润滑剂和包含烷氧基化盐的第二润滑剂。 含水液压组合物含有选自矿物油，合成烃油及其混合物中的油的小于约20重量％（优选没有或基本上没有）油。 使用烷氧基化盐提供增加的润滑性，并且还用作组合物的乳液稳定剂。

公开(公告)号：US20110053807A1

公开(公告)日：2011-03-03

申请号：US12550999

申请日：2009-08-31

Applicant: Mohan K.R. Panga ,  Isabelle Couillet ,  Carlos Abad

Inventor： Mohan K.R. Panga ,  Isabelle Couillet ,  Carlos Abad

IPC: C09K8/44 ,  C09K8/035 ,  C09K8/508

CPC classification number: C09K8/08 ,  C04B28/02 ,  C04B2103/0052 ,  C09K8/487 ,  C09K8/512 ,  C09K8/685 ,  C04B24/38

Abstract: The invention discloses a method of controlling fluid loss from a subterranean formation of a well bore. In a first aspect, the method is done by providing a treatment fluid made of an aqueous fluid and a hydrophobic polymer; and introducing the treatment fluid into the wellbore. In a second aspect, the method is done by providing a treatment fluid made of water and a water soluble polymer; providing in the treatment fluid a fluid loss additive having a hydrophobic polymer; using the treatment fluid in a well bore of a subterranean formation; allowing the treatment fluid to establish a permeable filter cake with the water soluble polymer in at least a portion of the well bore; and allowing hydrophobic polymer to enter into the filter cake to reduce permeability of the filter cake.

Abstract translation: 本发明公开了一种控制来自井下地层的流体损失的方法。 在第一方面，该方法通过提供由含水流体和疏水聚合物制成的处理流体来完成; 并将处理流体引入井眼。 在第二方面，该方法通过提供由水和水溶性聚合物制成的处理流体来完成; 在处理流体中提供具有疏水性聚合物的流体损失添加剂; 在地层的井眼中使用处理流体; 允许处理流体在井眼的至少一部分中与水溶性聚合物建立可渗透的滤饼; 并且允许疏水性聚合物进入滤饼以降低滤饼的渗透性。

公开(公告)号：US20100311621A1

公开(公告)日：2010-12-09

申请号：US12802368

申请日：2010-06-04

Applicant: Subramanian Kesavan ,  Manilal S. Dahanayake ,  Gary Woodward

Inventor： Subramanian Kesavan ,  Manilal S. Dahanayake ,  Gary Woodward

IPC: C09K8/68

CPC classification number: C09K8/08 ,  C09K8/40 ,  C09K8/665 ,  C09K8/68 ,  C09K8/90

Abstract: A method for viscosifying brine systems utilized in oilfield applications comprising: a) preparing a heavy brine system comprising obtaining an aqueous brine system comprising a hydrated polysaccharide and at least one multivalent salt, wherein the density of the aqueous brine system is greater than about 10 pounds per gallon (ppg), and adding an effective amount of an alkaline agent, thereby increasing the viscosity of the brine system. Also disclosed are methods for viscosifying brine systems utilized in well servicing applications comprising obtaining an aqueous brine solution comprising at least one multivalent salt, wherein the density of the aqueous brine system is greater than about 10 pounds per gallon (ppg); adding a polysaccharide; adding an effective amount of an acid buffering agent to the brine system to lower the pH of the brine system, whereby the polysaccharide is capable of substantially hydrating into the brine system; and adding an effective amount of an alkaline agent, thereby substantially increasing the viscosity of the brine system.

Abstract translation: 一种用于在油田应用中使用的盐水系统的增稠方法，包括：a）制备重盐水系统，其包括获得包含水合多糖和至少一种多价盐的含水盐水系统，其中所述含水盐水系统的密度大于约10磅 每加仑（ppg），并加入有效量的碱性试剂，从而提高盐水系统的粘度。 还公开了用于在井服务应用中使用的用于增稠盐水系统的方法，包括获得包含至少一种多价盐的盐水水溶液，其中所述含水盐水系统的密度大于约10磅/加仑（ppg）; 加入多糖; 向盐水系统中加入有效量的酸缓冲剂以降低盐水系统的pH，由此多糖能够基本上水合进盐水系统; 并加入有效量的碱性试剂，从而显着提高盐水系统的粘度。

公开(公告)号：US07825073B2

公开(公告)日：2010-11-02

申请号：US11891511

申请日：2007-08-10

Applicant: Thomas D. Welton ,  Michael W. Sanders ,  Jeffery L. Mundy ,  Sean R. Beach ,  Richard W. Pauls ,  Phillip C. Harris ,  Stanley J. Heath ,  David E. McMechan ,  Christina A. Parkinson ,  Harold G. Walters ,  Jason E. Bryant ,  Trinidad Munoz ,  Rajesh K. Saini ,  Bobby J. Burns

Inventor： Thomas D. Welton ,  Michael W. Sanders ,  Jeffery L. Mundy ,  Sean R. Beach ,  Richard W. Pauls ,  Phillip C. Harris ,  Stanley J. Heath ,  David E. McMechan ,  Christina A. Parkinson ,  Harold G. Walters ,  Jason E. Bryant ,  Trinidad Munoz ,  Rajesh K. Saini ,  Bobby J. Burns

IPC: C09K8/52 ,  C09K8/60 ,  E21B43/16 ,  E21B43/28

CPC classification number: C09K8/08 ,  C09K8/40 ,  C09K8/52 ,  C09K8/68 ,  C09K8/685 ,  C09K8/70 ,  C09K8/76 ,  C09K8/90

Abstract: Methods are provided that include a method comprising providing a viscosified treatment fluid comprising a base fluid and a gelling agent that comprises a clarified xanthan; and placing the viscosified treatment fluid into at least a portion of a subterranean formation. In some embodiments, the method comprises placing the viscosified treatment fluid into at least a portion of a subterranean formation at a pressure sufficient to create or enhance at least one fracture in the subterranean formation. In some embodiments, the viscosified treatment fluid may also comprise a plurality of particulates. In some embodiments, the viscosified treatment fluids may be placed into at least a portion of a pipeline. Additional methods are also provided.

Abstract translation: 提供了包括提供包含基础流体和包含澄清的黄原胶的胶凝剂的增稠处理流体的方法的方法， 以及将所述稠化处理流体放置在地下地层的至少一部分中。 在一些实施方案中，该方法包括将粘稠化处理流体置于足以产生或增强地下地层中的至少一个裂缝的压力下至少部分地下地层。 在一些实施方案中，稠化处理流体还可以包含多个颗粒。 在一些实施方案中，可以将稠化的处理流体放置在管道的至少一部分中。 还提供了附加的方法。

公开(公告)号：US07748456B2

公开(公告)日：2010-07-06

申请号：US11502656

申请日：2006-08-11

Applicant: Richard W. Pauls ,  Thomas D. Welton ,  David E. McMechan ,  Jason Bryant

Inventor： Richard W. Pauls ,  Thomas D. Welton ,  David E. McMechan ,  Jason Bryant

IPC: E21B43/25 ,  E21B43/04 ,  E21B33/00

CPC classification number: C09K8/68 ,  C09K8/08

Abstract: Many methods and compositions are provided. One of the methods provided comprises the steps of: providing an aqueous treatment fluid that comprises a polysaccharide and a dual functional component, the aqueous treatment fluid having a first viscosity; allowing the dual functional component to interact with the polysaccharide such that the viscosity of the aqueous treatment fluid increases to a second viscosity, the second viscosity being greater than the first viscosity; placing the aqueous treatment fluid into a subterranean formation; and allowing the dual functional component to interact with the polysaccharide so as to reduce the second viscosity of the aqueous treatment fluid to a third viscosity, the third viscosity being less than the second viscosity. An example of a composition is a viscosified treatment fluid for treating subterranean formations comprising: an aqueous base fluid and an apparent cross linked reaction product of a polysaccharide and a dual functional component.

Abstract translation: 提供了许多方法和组合物。 提供的方法之一包括以下步骤：提供包含多糖和双功能组分的含水处理流体，所述含水处理流体具有第一粘度; 允许双功能组分与多糖相互作用，使得水性处理流体的粘度增加到第二粘度，第二粘度大于第一粘度; 将含水处理流体置于地层中; 并且允许所述双功能组分与所述多糖相互作用以将所述水性处理流体的第二粘度降低至第三粘度，所述第三粘度小于所述第二粘度。 组合物的实例是用于处理地下地层的稠化处理流体，包括：基础水基和多糖和双官能组分的表观交联反应产物。

公开(公告)号：US07745378B1

公开(公告)日：2010-06-29

申请号：US12387182

申请日：2009-04-30

Applicant: Jerry Rayborn, Sr.

Inventor： Jerry Rayborn, Sr.

IPC: C09K8/08 ,  C08B37/00 ,  C13F1/00

CPC classification number: C09K8/035 ,  C08L3/02 ,  C08L29/08 ,  C09K8/08 ,  C09K8/34 ,  C09K2208/12 ,  C09K2208/28 ,  C13K1/06 ,  C08L25/08

Abstract: A drilling fluid additive is provided and the additive consist of: hydrolyzed glucose syrup solids in the amount from about 30 to about 90% by weight of total volume of the additive and a liquid medium in the amount from about 10 to about 70% by weight of total volume of the additive.

Abstract translation: 提供了钻井液添加剂，添加剂包括：水解葡萄糖浆固体，其量为添加剂总体积的约30至约90重量％，液体介质的量为约10至约70重量％ 的添加剂的总体积。

公开(公告)号：US20090305913A1

公开(公告)日：2009-12-10

申请号：US11648019

申请日：2006-12-29

Applicant: Thomas D. Welton ,  David E. McMechan ,  Jason E. Bryant

Inventor： Thomas D. Welton ,  David E. McMechan ,  Jason E. Bryant

IPC: C09K8/60

CPC classification number: C09K8/508 ,  C09K8/08 ,  C09K8/68 ,  C09K8/74 ,  C09K2208/30

Abstract: Among many things, in some embodiments, dual-function additives that enhance fluid loss control and the stability of viscoelastic surfactant fluids, and their associated methods of use in subterranean formations, are provided. In one embodiment, the methods comprise: providing a viscoelastic surfactant fluid that comprises an aqueous base fluid, a viscoelastic surfactant, and a dual-function additive that comprises a soap component; and introducing the viscoelastic surfactant fluid into at least a portion of a subterranean formation.

Abstract translation: 在许多情况下，在一些实施方案中，提供了增强流体损失控制和粘弹性表面活性剂流体的稳定性的双重功能添加剂及其在地下地层中的相关使用方法。 在一个实施方案中，所述方法包括：提供粘弹性表面活性剂流体，其包含基础液体水溶液，粘弹性表面活性剂和包含皂组分的双功能添加剂; 以及将所述粘弹性表面活性剂流体引入到地层的至少一部分中。

公开(公告)号：US07585819B2

公开(公告)日：2009-09-08

申请号：US11544488

申请日：2006-10-05

Applicant: Ronnie G. Morgan ,  Lewis R. Norman ,  Rickey L. Morgan

Inventor： Ronnie G. Morgan ,  Lewis R. Norman ,  Rickey L. Morgan

IPC: C09K8/66 ,  C08B37/00

CPC classification number: C09K8/08 ,  C09K8/68 ,  C09K8/90

Abstract: A method is provided for producing a guar gum powder, the method comprising the steps of: (a) flaking undehusked guar splits; and (b) grinding the flaked, undehusked guar splits to obtain guar gum powder. According to another aspect of the invention, a method is provided for treating a subterranean formation penetrated by a wellbore, the method comprises the steps of: (a) forming a treatment fluid, wherein the treatment fluid comprises: (i) an aqueous fluid; and (ii) a guar gum powder comprising at least 70% by weight gum material and at least 15% by weight husk material; and (b) introducing the treatment fluid into the subterranean formation through the wellbore, According to yet another aspect of the invention, the product of the method for producing a guar gum powder is used in the method for treating a subterranean formation.

Abstract translation: 提供了一种制备瓜尔胶粉末的方法，该方法包括以下步骤：（a）剥离未腐蚀的瓜尔胶; 和（b）研磨片状，未腐蚀的瓜尔胶，得到瓜尔胶粉末。 根据本发明的另一方面，提供了一种用于处理由井眼渗透的地层的方法，所述方法包括以下步骤：（a）形成处理流体，其中所述处理流体包括：（i）含水流体; 和（ii）包含至少70重量％胶体材料和至少15重量％的壳材料的瓜尔胶粉末; 根据本发明的另一方面，用于处理地下地层的方法中的瓜尔胶粉末的制造方法的产物是通过井眼将处理流体引入地层的。

公开(公告)号：US07585818B2

公开(公告)日：2009-09-08

申请号：US11125732

申请日：2005-05-10

Applicant: Michael J. R. Segura

Inventor： Michael J. R. Segura

IPC: C09K8/60 ,  E21B43/16

CPC classification number: C09K8/08 ,  C08B37/0087 ,  C09K8/206 ,  C09K8/5758 ,  C09K8/68 ,  C09K8/90

Abstract: Methods comprising: providing a treatment fluid comprising: an aqueous base fluid and a gelling agent that comprises a nonnatural galactomannan; and placing the treatment fluid into the subterranean formation. Treatment fluids suitable for use in a subterranean treatment operation comprising an aqueous base fluid and a gelling agent that comprises a nonnatural galactomannan.

Abstract translation: 方法包括：提供治疗流体，其包括：含水基础液和包含非天然半乳甘露聚糖的胶凝剂; 并将处理流体置于地层中。 适合用于地下处理操作的处理流体，其包含含水基础流体和包含非天然半乳甘露聚糖的胶凝剂。