EP1999224A1 - Utilisation de ciments alumineux pour contrôler la rhéologie de phases liquides - Google Patents

Utilisation de ciments alumineux pour contrôler la rhéologie de phases liquides

Info

Publication number
EP1999224A1
EP1999224A1 EP07723436A EP07723436A EP1999224A1 EP 1999224 A1 EP1999224 A1 EP 1999224A1 EP 07723436 A EP07723436 A EP 07723436A EP 07723436 A EP07723436 A EP 07723436A EP 1999224 A1 EP1999224 A1 EP 1999224A1
Authority
EP
European Patent Office
Prior art keywords
component
calcium
rheology
use according
aluminate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07723436A
Other languages
German (de)
English (en)
Inventor
Johann Plank
Gregor Keilhofer
Jürgen HEIDLAS
Peter Lange
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Master Builders Solutions Deutschland GmbH
Original Assignee
BASF Construction Polymers GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF Construction Polymers GmbH filed Critical BASF Construction Polymers GmbH
Publication of EP1999224A1 publication Critical patent/EP1999224A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/14—Clay-containing compositions
    • C09K8/16—Clay-containing compositions characterised by the inorganic compounds other than clay
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/26—Oil-in-water emulsions
    • C09K8/265—Oil-in-water emulsions containing inorganic additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
    • C09K8/36—Water-in-oil emulsions

Definitions

  • the present invention is the use of an aluminate cement component a) for controlling the rheology of liquid phases based on a clay component b).
  • the controlled thickening of water- and oil-based systems is a common measure and it is used in practice using additives of natural or synthetic origin to a greater extent. Irrespective of the various fields of application, the shear-thinning and / or thixotropic thickening of the particular liquid phase is frequently in the foreground.
  • hydrophilic or hydrophobic polymers and biopolymers such as, in particular, scleroglucan, xanthan gum, acrylic acid copolymers or polymethacrylates, are often used for rheology control of water or oil based drilling fluids in the exploration of oil and natural gas.
  • shear-thinning drilling fluids in particular very effectively support the discharge of the drilled material from the borehole.
  • the rheological profile of the liquid phase in the different drilling applications has a different importance:
  • shear-thinning fluids can also reduce the filtrate loss, stabilize soil formations and support a simple separation of the cuttings from the drilling cycle.
  • clays for rheology control especially smectites such.
  • B. bentonite and especially those types which are characterized by a high content of montmorillonite are preferred.
  • additional secondary additives are used to further enhance the basic rheology of the clay component.
  • "bentonite extenders” are organic polymers such as partially hydrolyzed polyacrylamides (PHPA), which can either be added to the aqueous clay suspension or are more often already available as a ready-mixed mixture with the clay component (see “Composition and Properties of Drilling and Completion Fluids "5th Edition, Darley HCH & Gray GR, Guild Publishing Company, Houston, Texas, page 178).
  • MMO mixed metal oxides
  • MMH mixed metal hydroxides
  • MMO mixed metal oxide
  • MMH mixed metal hydroxide
  • the predominantly positively charged surfaces of these clay-like minerals can interact with conventional clays because of the properties described, forming adducts and network structures, which ultimately leads to an increase in the viscosity in the liquid phase.
  • the mixed metal hydroxides together with bentonite form adducts
  • the mixed metal hydroxides described therein together with hectorite form adducts which are respectively suitable for rheology control of liquid phases.
  • U.S. Patent 6,906,010 describes formulations for rheology modification in liquids used in oil and gas drilling and tunneling.
  • aqueous fluids having rheology-modifying properties include clay, water, magnesium oxide, aluminum oxide hydroxide, sodium or potassium carbonate, and calcium oxide or calcium hydroxide. It may be assumed in this connection that the liquid phases thus composed are likewise based on an in situ generation of a mixed metal hydroxide.
  • the thickening of generally aqueous clay suspensions with the aid of mixed metal oxides and mixed metal hydroxides thus represents a well-described state of the art.
  • adducts and network structures are formed due to electrostatic interactions between the clay component and the MMO / MMH components , which causes a so-called shear-thinning rheology.
  • MMH / MMO-based products have been characterized by continuous price increases over the past few years due to the sometimes costly production processes and limited capacities.
  • This new system should be as simple as possible in terms of its composition and rely on known and easily accessible starting materials for economic reasons, the performance in the rheology control should be at least equal to the previous systems.
  • Aluminate cements have hitherto been known in the construction chemical field mostly in connection with refractory applications and with quick mortars.
  • High-purity calcium aluminate cements require rapid curing, whereby they can be further accelerated by lithium salts in their setting behavior. It can also be observed that aluminate cements have a high acid resistance.
  • they can - unlike Portland cement - by the addition of sulfate carriers such as anhydrite (CaSO 4 ), the shrinkage behavior are greatly minimized.
  • Aluminate cements unfold their different modes of action independently of climatic influences and with consistently good stability.
  • the dominant hydraulic mineral in calcium-aluminate cements is calcium monoaluminate. Especially its hydration is responsible for the high early strength. Calcium monoaluminates are monoclinic phases of pseudohexagonal structure. Another variant is calcium dialuminates, which are also called Grossites. Grossites are less reactive in comparison with the calcium monoaluminates just mentioned, but more pronounced refractory. The hydration of bigites is accelerated by higher temperatures, whereby portions of calcium monoaluminates do not interfere. Also known are mayenites, which are the most reactive of all calcium aluminate variants in the form of dodeca-calcium-hepta-aluminates, subject to extremely rapid hydration. Sintering calcium dialuminates leads to calcium hexa-aluminates.
  • the areas of application of calcium aluminate cements also include special floor coverings such as so-called self-leveling compounds as well as chemically resistant mortars and concretes. Expansion cements, screeds, tile adhesives and protective coatings also contain aluminate cements.
  • an aluminate cement component has proven to be particularly advantageous when the respective liquid phase is one based on smectites, bentonites, montmorillonites, beidellite, hectorites, saponites, sauconites, vermiculites, hats , Kaolinites, chlorites, attapulgites, sepiolites, palygorskites, halloysites and Fuller's earth as clay component b). Its advantageous properties are exhibited by component a), in particular when component b) is smectite-type clays and in particular hectorite, and more preferably montmorillonites and bentonites.
  • the present invention provides a further variant in which the clay component used also contains additives, in particular partially hydrolyzed polyacrylamides (PHPA) as so-called “bentonite extenders”. It is also envisaged that the clay component used can be chemically modified, which are then preferably hydrophobized clays, especially for use in oil-based drilling fluids.
  • PHPA partially hydrolyzed polyacrylamides
  • the present invention takes account of calcium aluminate cements as preferred representatives and in particular calcium monoaluminate cements, calcium dialuminate cements ("Grossites"), dodeca-calcium hepta-aluminate cements ("Mayenites”) and / or calcium hexa-aluminate cements ("Hibonites”).
  • hydration products of the aluminate cements just described are also very well suited for the purpose according to the invention.
  • CAHi 0 C 2 AH 8 and C 4 AHi 3 mentioned in particular CAHi 0 C 2 AH 8 and C 4 AHi 3 mentioned .
  • C CaO
  • A Al 2 O 3
  • H stands for the proportions of water of hydration.
  • component a) comprises in proportions> 50% by weight and preferably> 90% by weight of at least one representative of the calcium aluminate cements, the total aluminate content being> 30% by weight. % and preferably> 60 wt .-% should be.
  • aluminate cements can be used in relatively large proportions to control the rheology of the respective
  • the component a) is particularly preferably also used in amounts of between 0.1 and 1.0% by weight, in each case based on the liquid phase, which is also taken into account by the present invention.
  • the present invention provides that it is water and / or oil-based systems and emulsions or invert emulsions.
  • Such systems are understood to mean in particular water-based liquid phases, in addition to fresh water or Seawater may contain a number of other major or minor components; This includes saline systems (so-called “brines”) as well as more complex drilling fluids such as emulsions or invert emulsions, which may also contain an oil component in large proportions.
  • the liquid phase should be drilling fluids containing, in addition to the main components a) and b) of the present invention, other additives for controlling rheology, reducing filtrate, controlling density, cooling and lubricating the drill bit, and stabilizing the borehole wall , Furthermore, additives for chemical stabilization of the drilling fluid, such.
  • scavengers or polyvalent metal salts are used as so-called “anionic Scavanger”.
  • a last preferred aspect of the present invention resides in the fact that the use according to the invention serves the shear-thinning and / or thixotropic thickening of the liquid phase.
  • aluminate cements for the rheology control of liquid phases is a simple and inexpensive new system in which can be resorted to commercial compounds that additionally develop the desired effect even in small doses, with respect to the known influences such as temperature and salt Concentration have a relatively wide tolerance.
  • the properties of the respective drilling muds based on an aqueous clay suspension were determined according to the regulations of the American Petroleum Institute (API), guideline RP13B-1. Thus, the rheologies were measured with a FAN N-viscometer at 600 and 300 revolutions per minute, from which the values for PV (plastic viscosity) and YP (yield point) are calculated. In addition, the shear stresses were determined at 200, 100, 6 and 3 revolutions per minute. A reference test without aluminate cement was always carried out.
  • API American Petroleum Institute
  • Gold Seal Bentonite from Baroid, MI Supreme Gel from MI, Black Hills Bentonite from Black Hills Bentonite, a chemically treated OCMA clay, and Bentone CT, a hectorite clay from Elementis, were used. Specifically, the dosages of the clay component and the aluminous cement component were adjusted accordingly to obtain a uniform yield point YP greater than 50 lbs / 100ft 2 .
  • Example 3 demonstrates various possibilities of pH adjustment with analogous experimental procedure according to Example 1.
  • the base used was aqueous NaOH (20% strength), commercially available soda Na 2 CO 3 and a stoichiometric 1: 1 mixture of calcium oxide CaO and soda.
  • a final mixture with the aluminate cement component was used in each case.
  • no further pH adjustment took place in the course of mixing.
  • Example 4 shows the use of seawater in the preparation of a liquid phase according to the invention.
  • Example 5 illustrates the insensitivity of aluminate cement-containing fluid systems according to the invention to conventional drilling contaminants such as RevDust, a little swellable clay that is commonly used to simulate cuttings, or even to a hardened ground cement, the so-called “Milling", the milling out of defective piping, arises.
  • the experiments were initially carried out according to Example 1, wherein the said contaminants were mixed in the last step:
  • Example 6 illustrates the suitability of aluminate cement-containing fluid systems according to the invention for use as a drilling fluid, which also includes other functional additives, e.g. may contain to Filtratwasserkontrolle.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

L'invention concerne l'utilisation d'un composant à base de ciments alumineux a) pour contrôler la rhéologie de phases liquides à base d'un composant argileux b). Le composant a) est constitué de préférence de ciments d'aluminates de calcium et le composant b) d'argiles de type smectique. L'utilisation du composant a), constitué dans une proportion supérieure ou égale à 50 % en poids d'au moins un représentant des ciments d'aluminates de calcium et utilisé de préférence pour contrôler la rhéologie de systèmes à base d'eau et/ou d'huile, permet d'obtenir un épaississement pseudoplastique et thixotrope pouvant être comparé à celui des additifs connus jusqu'à présent, tels que ceux à base d'oxyde métallique mixte/hydroxyde métallique mixte (MMO/MMH). L'utilisation selon l'invention permet de mettre à disposition un système économique qui s'utilise comme additif d'une classe connue de composés, les effets recherchés pouvant être déjà obtenus avec des quantités réduites d'additif.
EP07723436A 2006-03-29 2007-03-20 Utilisation de ciments alumineux pour contrôler la rhéologie de phases liquides Withdrawn EP1999224A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006014403A DE102006014403A1 (de) 2006-03-29 2006-03-29 Verwendung von Aluminatzementen zur Rheologiesteuerung von Flüssigphasen
PCT/EP2007/002473 WO2007112860A1 (fr) 2006-03-29 2007-03-20 Utilisation de ciments alumineux pour contrôler la rhéologie de phases liquides

Publications (1)

Publication Number Publication Date
EP1999224A1 true EP1999224A1 (fr) 2008-12-10

Family

ID=38223757

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07723436A Withdrawn EP1999224A1 (fr) 2006-03-29 2007-03-20 Utilisation de ciments alumineux pour contrôler la rhéologie de phases liquides

Country Status (6)

Country Link
US (1) US20070227404A1 (fr)
EP (1) EP1999224A1 (fr)
AU (1) AU2007234137A1 (fr)
CA (1) CA2646950A1 (fr)
DE (1) DE102006014403A1 (fr)
WO (1) WO2007112860A1 (fr)

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US7740066B2 (en) * 2008-01-25 2010-06-22 Halliburton Energy Services, Inc. Additives for high alumina cements and associated methods
EP2678292A1 (fr) 2011-02-23 2014-01-01 BASF Corporation Suspensions à base de gypse, plaques de gypse moussées et procédés de fabrication de plaques de gypse moussées
US9592548B2 (en) * 2013-01-29 2017-03-14 General Electric Company Calcium hexaluminate-containing mold and facecoat compositions and methods for casting titanium and titanium aluminide alloys
WO2015174974A1 (fr) * 2014-05-15 2015-11-19 Halliburton Energy Services, Inc. Fluides à émulsion inverse exempts d'argiles organiques
US9889579B2 (en) 2014-09-03 2018-02-13 National Gypsum Properties, Llc Gypsum wallboard and method of making same
US11095101B2 (en) 2016-09-06 2021-08-17 Quanta Associates, L.P. Repurposing pipeline for electrical cable
CN106905937A (zh) * 2017-04-12 2017-06-30 中国石油化工股份有限公司 一种油基钻井液用提切剂及其制备方法
EP3668940A1 (fr) 2017-08-15 2020-06-24 Saudi Arabian Oil Company Tensioactifs thermiquement stables pour fluides de forage à base d'huile
US10640696B2 (en) 2017-08-15 2020-05-05 Saudi Arabian Oil Company Oil-based drilling fluids for high pressure and high temperature drilling operations
US10876039B2 (en) 2017-08-15 2020-12-29 Saudi Arabian Oil Company Thermally stable surfactants for oil based drilling fluids
US10745606B2 (en) 2017-08-15 2020-08-18 Saudi Arabian Oil Company Oil-based drilling fluid compositions which include layered double hydroxides as rheology modifiers
US10793762B2 (en) * 2017-08-15 2020-10-06 Saudi Arabian Oil Company Layered double hydroxides for oil-based drilling fluids
US10647903B2 (en) 2017-08-15 2020-05-12 Saudi Arabian Oil Company Oil-based drilling fluid compositions which include layered double hydroxides as rheology modifiers and amino amides as emulsifiers
US10676658B2 (en) 2017-08-15 2020-06-09 Saudi Arabian Oil Company Oil-based drilling fluids for high pressure and high temperature drilling operations
US10988659B2 (en) 2017-08-15 2021-04-27 Saudi Arabian Oil Company Layered double hydroxides for oil-based drilling fluids

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Also Published As

Publication number Publication date
CA2646950A1 (fr) 2007-10-11
US20070227404A1 (en) 2007-10-04
DE102006014403A1 (de) 2007-10-04
AU2007234137A1 (en) 2007-10-11
WO2007112860A1 (fr) 2007-10-11

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