JPH064846B2 - Drilling clay modifier - Google Patents
Drilling clay modifierInfo
- Publication number
- JPH064846B2 JPH064846B2 JP13118888A JP13118888A JPH064846B2 JP H064846 B2 JPH064846 B2 JP H064846B2 JP 13118888 A JP13118888 A JP 13118888A JP 13118888 A JP13118888 A JP 13118888A JP H064846 B2 JPH064846 B2 JP H064846B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- clay
- drilling
- gum
- modifier
- 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.)
- Expired - Lifetime
Links
- 239000004927 clay Substances 0.000 title claims description 9
- 238000005553 drilling Methods 0.000 title claims description 8
- 239000003607 modifier Substances 0.000 title claims description 6
- 229920003169 water-soluble polymer Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 235000002639 sodium chloride Nutrition 0.000 description 8
- 239000000440 bentonite Substances 0.000 description 7
- 229910000278 bentonite Inorganic materials 0.000 description 7
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 6
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 235000001727 glucose Nutrition 0.000 description 4
- 229920002401 polyacrylamide Polymers 0.000 description 4
- 239000011734 sodium Substances 0.000 description 3
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006266 etherification reaction Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 150000002304 glucoses Chemical class 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- SHZGCJCMOBCMKK-UHFFFAOYSA-N D-mannomethylose Natural products CC1OC(O)C(O)C(O)C1O SHZGCJCMOBCMKK-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- SHZGCJCMOBCMKK-JFNONXLTSA-N L-rhamnopyranose Chemical compound C[C@@H]1OC(O)[C@H](O)[C@H](O)[C@H]1O SHZGCJCMOBCMKK-JFNONXLTSA-N 0.000 description 1
- PNNNRSAQSRJVSB-UHFFFAOYSA-N L-rhamnose Natural products CC(O)C(O)C(O)C(O)C=O PNNNRSAQSRJVSB-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- KRWWZDVIEFSIOT-UHFFFAOYSA-N ethenyl acetate;furan-2,5-dione Chemical compound CC(=O)OC=C.O=C1OC(=O)C=C1 KRWWZDVIEFSIOT-UHFFFAOYSA-N 0.000 description 1
- UPBDXRPQPOWRKR-UHFFFAOYSA-N furan-2,5-dione;methoxyethene Chemical compound COC=C.O=C1OC(=O)C=C1 UPBDXRPQPOWRKR-UHFFFAOYSA-N 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001206 natural gum Polymers 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Description
【発明の詳細な説明】 (産業上の利用分野) 本発明は、石油ボーリング用泥水に使用する粘土類(ベ
ントナイト等)を改質する方法に関するものである。TECHNICAL FIELD The present invention relates to a method for modifying clays (bentonite, etc.) used in mud water for petroleum boring.
(従来の技術) 従来のベントナイト改質剤としては、例えば、特公昭5
7−29504等に記載されているように、ポリアクリ
ル酸,ポリ(ビニルアセテート−マレイン酸無水物),
ポリ(エチレン−マレイン酸無水物),ポリ(ビニルメ
チルエーテル−マレイン酸無水物)等のカルボン酸含量
20〜100モル%の合成ポリマーが使用される。(Prior Art) As a conventional bentonite modifier, for example, Japanese Patent Publication No.
7-29504, polyacrylic acid, poly (vinyl acetate-maleic anhydride),
Synthetic polymers having a carboxylic acid content of 20 to 100 mol% such as poly (ethylene-maleic anhydride) and poly (vinyl methyl ether-maleic anhydride) are used.
しかしながら、このような従来のカルボン酸含有ポリマ
ーにあつては、カルボン酸が改質の根拠となっていたた
め、上記薬剤で改質された掘削用粘土類は耐塩性が不良
であった。However, in such a conventional carboxylic acid-containing polymer, since the carboxylic acid was the basis for the modification, the clay for excavation modified with the above-mentioned chemicals had poor salt resistance.
特に石油ボーリング掘削においては、使用される水が必
ずしも純水でなく、又、岩塩層を掘削する時にはNaC
lだけでなく、Ca2+、Mg2+等の2価塩も多量に混入
し、泥水を汚染する。Especially in oil drilling, the water used is not necessarily pure water, and NaC is used when drilling rock salt layers.
Not only l, but also a large amount of divalent salts such as Ca 2+ and Mg 2+ are mixed and pollute mud water.
掘削用粘土類を調整するに当っては、各種要求に対応す
ることが必要となり、清水ばかりでなく、塩水に対して
も有効であることがより望ましい。In adjusting clay for drilling, it is necessary to meet various requirements, and it is more desirable that it is effective not only for fresh water but also for salt water.
従来のカルボン酸含有ポリマーでは上記問題に対しては
無効であり、清水使用の場合においてのみ有効であると
いう問題点があった。Conventional carboxylic acid-containing polymers are ineffective against the above problems, and are effective only when using clear water.
(発明が解決しようとする課題) 以上の現状に鑑み、本発明が解決しようとする課題は、
掘削用粘土類を調整するに当って、清水ばかりでなく塩
水に対しても有効である掘削粘土類の改質剤を提供する
ことである。(Problems to be Solved by the Invention) In view of the above-mentioned current situation, the problems to be solved by the present invention are as follows.
It is an object of the present invention to provide a modifier for drilling clays which is effective not only for fresh water but also for salt water in preparing drilling clays.
(課題を解決するための手段) この発明は、このような従来の問題点に着目してなされ
たものである。すなわち、ラムザンガム単独、又は、ラ
ムザンガムと他の水溶性ポリマーを用いて掘削用に使用
する粘土類を改質する方法を見い出した。(Means for Solving the Problem) The present invention has been made by focusing on such conventional problems. That is, they have found a method for modifying clays used for excavation by using ramzan gum alone or ramzan gum and other water-soluble polymers.
掘削用に使用する粘土類に対し、 ラムザンガム0.01〜1重量% 又は ラムザンガム0.01〜1重量%及び 他の水溶性ポリマー0.01〜1重量%を併用する。0.01 to 1% by weight of rhamsan gum or 0.01 to 1% by weight of rhamsan gum and 0.01 to 1% by weight of another water-soluble polymer are used in combination with the clay used for excavation.
本発明に使用するラムザンガムは醗酵多糖類であり、微
生物Alcaligenes species,ATC
C31961(American Type Cult
ure Collectionに登録されたNo.)が
グルコースを醗酵させてその菌体外に蓄積した多糖類
を、精製し粉末にした粘天然ガム質である。その化合構
造は下記に示すように、主鎖は、2個のグルコースと、
クルクロン酸とラムノースが各1個、側鎖は、2個のグ
ルコースより構成されている。The rhamsan gum used in the present invention is a fermenting polysaccharide and is a microorganism Alcaligenes species, ATC.
C31961 (American Type Cult
No. registered in ure Collection. ) Is a viscous natural gum that is produced by fermenting glucose and accumulating extracellular polysaccharides in the form of refined powder. The compound structure is shown below, and the main chain is composed of two glucoses,
Curcuronic acid and rhamnose are each composed of one glucose, and the side chain is composed of two glucoses.
(M+はナトリウム、カルシウム、カリウム等である) ラムザンガムに併用できる他の水溶性ポリマーとして
は、 a.CMC(カルボキシメチルセルロース), b.アクリルアミドとアクリル酸との共重合ポリマー c.アクリルアミドと共重合可能なその他のビニルモノ
マーとの共重合体 等が掲げられる。(M + is sodium, calcium, potassium, etc.) Other water-soluble polymers that can be used in combination with rhamsan gum include: a. CMC (carboxymethyl cellulose), b. Copolymer of acrylamide and acrylic acid c. Examples thereof include copolymers with other vinyl monomers copolymerizable with acrylamide.
ラムザンガムは単独でも充分効果を有するが、他の水溶
性ポリマーを併用しても良い。Although rhamzan gum has a sufficient effect by itself, other water-soluble polymers may be used in combination.
本発明改質剤は通常の方法で粘土と共に配合し、泥水を
調整すればよい。The modifier of the present invention may be blended with clay in a usual manner to adjust mud water.
(作用) 本方法は塩水系システムにおいても増粘し、従来のカル
ボン酸含有薬剤では達成できないFL値を小さくするこ
とができ、品質の劣るベントナイトに少量添加すること
により、泥水調整時のマツド特性値を改良できる。(Function) This method thickens even in a salt water system, can reduce the FL value that cannot be achieved by conventional carboxylic acid-containing chemicals, and by adding a small amount to bentonite of poor quality, the mat characteristics during mud water preparation You can improve the value.
(実施例) 次に実施例を挙げて本発明を説明するが、本発明はこれ
ら実施例に限定されるものではない。実施例中の%は重
量基準で表わす。(Example) Next, although an example is given and the present invention is explained, the present invention is not limited to these examples. The percentages in the examples are expressed on a weight basis.
実施例1 ベントナイトAに薬剤0.2%量を均一混合後、4%N
aCl水に調整後のベントナイト4%量を懸濁して泥水
を調整した。Example 1 Bentonite A was uniformly mixed with 0.2% of a chemical agent, and then 4% N was added.
Mud water was prepared by suspending 4% of bentonite after adjustment in aCl water.
PAM:ポリアクリルアミドの25%加水分解率、分子
量1000万 CMC:1%粘土3000CP、エーテル化度0.85
のカルボキシメチルセルロースNa *AV、FL:APIの方法による。AVは見かけ粘度
(CP)、FLは濾水量(ml)。 PAM: 25% hydrolysis rate of polyacrylamide, molecular weight 10 million CMC: 1% clay 3000CP, degree of etherification 0.85
Carboxymethyl cellulose Na * AV, FL: by the method of API. AV is apparent viscosity (CP), FL is drainage (ml).
発明例の1,2,3は比較例に比して得られた泥水のA
V値、及びFL値が良好である。Inventive Examples 1, 2, and 3 are muddy water A obtained in comparison with Comparative Example.
V value and FL value are good.
実施例2 ベントナイトBに薬剤0.1%量を均一に混合後、本ベ
ントナイト4%量を〔30%NaCl+1%CaCl2
+1%MgCl2〕を組成とする塩水に対して懸濁させ
て泥水を調整した。Example 2 Bentonite B was uniformly mixed with a 0.1% amount of a drug, and then 4% amount of this bentonite was added to [30% NaCl + 1% CaCl2.
+ 1% MgCl2] was suspended in a saline solution to prepare mud water.
PAM:ポリアクリルアミドの25%加水分解率、分子
量1000万 CMC:1%粘度3000CP、エーテル化度0.85
のカルボキシメチルセルロースNa *AV,FLは実施例1と同じ。 PAM: 25% hydrolysis rate of polyacrylamide, molecular weight 10 million CMC: 1% viscosity 3000 CP, degree of etherification 0.85
Carboxymethyl cellulose Na * AV, FL is the same as in Example 1.
発明例の1,2,3は比較例に比して得られた泥水のA
V値、及びFL値が良好である。Inventive Examples 1, 2, and 3 are muddy water A obtained in comparison with Comparative Example.
V value and FL value are good.
(発明の効果) 以上説明した通り、本発明により掘削用粘土類の耐塩性
が向上し、掘削用粘土類を利用する各種産業に貢献し得
る。(Effects of the Invention) As described above, the present invention improves the salt resistance of excavating clays and can contribute to various industries that utilize excavating clays.
Claims (3)
の水溶性ポリマーを必須成分とする掘削用泥水に使用す
る粘土類の改質剤。1. A clay modifier used for drilling mud containing ramzan gum alone or rumzan gum and other water-soluble polymers as essential components.
1〜1重量%量使用することを特徴とする掘削用粘土の
改質法。2. Ramzan gum is added to 0.0% of clay for drilling.
A method for modifying clay for excavation, which comprises using 1 to 1% by weight.
マーとの共重合体である請求項1の改質剤。3. The other water-soluble polymer of claim 1 is a. CMC, b. A copolymer of acrylamide and acrylic acid, or c. The modifier according to claim 1, which is a copolymer of acrylamide and another vinyl monomer copolymerizable therewith.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13118888A JPH064846B2 (en) | 1988-05-27 | 1988-05-27 | Drilling clay modifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13118888A JPH064846B2 (en) | 1988-05-27 | 1988-05-27 | Drilling clay modifier |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01299889A JPH01299889A (en) | 1989-12-04 |
JPH064846B2 true JPH064846B2 (en) | 1994-01-19 |
Family
ID=15052075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13118888A Expired - Lifetime JPH064846B2 (en) | 1988-05-27 | 1988-05-27 | Drilling clay modifier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH064846B2 (en) |
-
1988
- 1988-05-27 JP JP13118888A patent/JPH064846B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH01299889A (en) | 1989-12-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0058917B1 (en) | Water-clay-based drilling fluids, and use of same in well drilling operations | |
CA1063789A (en) | Drilling fluid and method | |
US4600515A (en) | Fluid loss control agents for drilling fluids containing divalent cations | |
US4172055A (en) | Mixture of hydroxypropylcellulose and poly(maleic anhydride/alkene-1) as a hydrocolloid gelling agent | |
US3953336A (en) | Drilling fluid | |
CN106675533A (en) | Grafted starch filtration loss reduction agent used for drilling fluid and preparation method thereof | |
CN102796495A (en) | Inter permeable network type polymer fluid loss agent and preparation method thereof | |
JPH0643463B2 (en) | Raw material composition for the production of polymeric ampholytes for aqueous drilling fluids | |
Guo et al. | Synthesis and characterization of starch‐graft‐polyacrylamide copolymers and their application as filtration control agents in drilling fluid | |
WO2009047480A1 (en) | Wellbore fluid | |
JPH0430991B2 (en) | ||
US5132285A (en) | Method for thickening or stabilizing aqueous media with polyamphoteric polysaccharides | |
JPH075882B2 (en) | Liquid polymer-containing composition for increasing the viscosity of an aqueous medium | |
JPH064846B2 (en) | Drilling clay modifier | |
JP3924765B2 (en) | Mud water aggregation treatment method | |
EP0339372B1 (en) | Method and composition for thickening or stabilizing aqueous media with polyamphoteric polysaccharides | |
CN85101102A (en) | The solid dispersion that contains the water solubility copolymer dispersion agent | |
CN116903792A (en) | Multifunctional drilling treatment agent, preparation method and foam drilling fluid applied by same | |
JPH0376989A (en) | Modifier for excavated clays | |
JPH1034163A (en) | Water treatment method and tool for water treatment | |
CN115772243A (en) | Tackifier for solid-free drilling fluid and preparation method and application thereof | |
CA1063336A (en) | Drilling of subterranean formations with drilling fluids containing radiation induced fluid loss agents | |
JP2510246B2 (en) | High decay-resistant mud composition for mud drilling method and its use | |
JPH0938415A (en) | Flocculant for muddy water | |
JP3602866B2 (en) | Additive for earth pressure shield method |