JPH01313584A - Salt-and heat-resistant mud conditioner - Google Patents
Salt-and heat-resistant mud conditionerInfo
- Publication number
- JPH01313584A JPH01313584A JP14445288A JP14445288A JPH01313584A JP H01313584 A JPH01313584 A JP H01313584A JP 14445288 A JP14445288 A JP 14445288A JP 14445288 A JP14445288 A JP 14445288A JP H01313584 A JPH01313584 A JP H01313584A
- Authority
- JP
- Japan
- Prior art keywords
- mud
- salt
- conditioner
- terpolymer
- present
- 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.)
- Pending
Links
- 229920001897 terpolymer Polymers 0.000 claims abstract description 11
- XLPJNCYCZORXHG-UHFFFAOYSA-N 1-morpholin-4-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCOCC1 XLPJNCYCZORXHG-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003208 petroleum Substances 0.000 claims abstract description 6
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 claims abstract description 5
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 claims abstract description 5
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 150000003839 salts Chemical class 0.000 abstract description 10
- 150000001768 cations Chemical class 0.000 abstract description 8
- 239000012267 brine Substances 0.000 abstract description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 2
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 description 6
- -1 Ca2+ Chemical class 0.000 description 5
- 229960000892 attapulgite Drugs 0.000 description 5
- 229910052625 palygorskite Inorganic materials 0.000 description 5
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- GNWBLLYJQXKPIP-ZOGIJGBBSA-N (1s,3as,3bs,5ar,9ar,9bs,11as)-n,n-diethyl-6,9a,11a-trimethyl-7-oxo-2,3,3a,3b,4,5,5a,8,9,9b,10,11-dodecahydro-1h-indeno[5,4-f]quinoline-1-carboxamide Chemical compound CN([C@@H]1CC2)C(=O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H](C(=O)N(CC)CC)[C@@]2(C)CC1 GNWBLLYJQXKPIP-ZOGIJGBBSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
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の調整剤として有用な
三元共重合体に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a terpolymer useful as a conditioning agent for petroleum drilling mud.
本発明の三元共重合体は、高温安定性、及び、Ｃａ ”
、 Ｍｇ ２十等の２価カチオンを多量に含有する高
濃度塩水システムに有効である。The terpolymer of the present invention has high temperature stability and Ca ”
It is effective for highly concentrated salt water systems containing large amounts of divalent cations such as , Mg20, etc.
（従来の技ｔｉ）
従来の耐塩・耐熱性泥水調整剤としては、特開昭５１−
５２９８６のようにビニルスルホン酸−アクリル酸アミ
ド−Ｎ−ビニル−Ｎ−アルキルカルボンアミド三元共重
合体、或いは特開昭６０−１８１１０９のようにＡＭＰ
Ｓ−ビニルイミダゾール−アクリルアミド三元共重合体
等が使用されている。(Conventional Technique Ti) As a conventional salt-resistant and heat-resistant muddy water conditioner, JP-A-51-
Vinyl sulfonic acid-acrylic acid amide-N-vinyl-N-alkylcarbonamide terpolymer as in No. 52986, or AMP as in JP-A-60-181109.
S-vinylimidazole-acrylamide terpolymer and the like are used.
（従来の技術の欠点と欠点を解決する手段）しかしなが
ら、このような従来の耐塩会耐熱性ポリマーにあっては
高温下、Ｃａ２＋等の２価カチオンを含有する高濃度塩
水系における石油ボーリ〉・グ掘削においてはカルボキ
シル基を含有するポリマー又は、高温条件下で化学変成
（加水分解）されて、カルボキシル基となるを含有する
ポリマーはＣａ”等の２価カチオンの存在によって粘性
を失ない、泥水ｙＪ４整能力が減少する。(Means for solving the shortcomings and shortcomings of the conventional technology) However, with such conventional salt-resistant heat-resistant polymers, petroleum boiling in high-concentration salt water systems containing divalent cations such as Ca2+, etc. In drilling, polymers containing carboxyl groups, or polymers containing carboxyl groups that are chemically modified (hydrolyzed) under high temperature conditions, do not lose viscosity due to the presence of divalent cations such as Ca'', and are used in muddy water. yJ4 adjustment ability decreases.
本発明においては、これらの欠点を減少させるため化学
変成の受けにくいＮ、Ｎ−ジメチルアクリルアミドと２
−アクリルアミド−２−メチルプロパンスルホン酸塩（
ＡＭＰＳ）、さらにその改質剤としてアクリロイルモル
ホリンの三元共重合体が耐塩・耐熱性泥水調整剤として
有用であることを見い出した。In the present invention, in order to reduce these drawbacks, N,N-dimethylacrylamide, which is not susceptible to chemical modification, and 2
-acrylamide-2-methylpropanesulfonate (
AMPS) and its modifier, a terpolymer of acryloylmorpholine, was found to be useful as a salt-resistant and heat-resistant mud water conditioner.
対照として揚げた前記２つの日本国特許は、第三成分と
してアクリルアミド等のような加水分解されてカルボキ
シル基になり易い基を有する七ツマ−との共重合体であ
り、好ましくない。The above two Japanese patents cited as a control are copolymers with a heptamer having a group such as acrylamide which is easily hydrolyzed to become a carboxyl group as a third component, which is not preferable.
本発明の泥水調整剤は、アクリロイルモルホリンを第三
成分として使用することにより泥水の分散性を改善する
。The muddy water conditioner of the present invention improves the dispersibility of muddy water by using acryloylmorpholine as a third component.
（手段を構成する要件）
本発明に使用する耐塩・耐熱性泥水調整剤は１、ＡＭＰ
Ｓ １０〜９０モル％ＩＴ、Ｎ、Ｎ−ジ
メチルアクリルアミド１０〜９０モル％
■、アクリロイルモルホリン １〜３０モル％工、ｎ、
ｍの３種子ツマーの三元共重合体である。(Requirements constituting the means) The salt-resistant/heat-resistant muddy water conditioner used in the present invention is 1.
S 10-90 mol% IT, N, N-dimethylacrylamide 10-90 mol% ■, acryloylmorpholine 1-30 mol%, n,
It is a terpolymer of three seeds of m.
分子量は１万〜５００万好ましくは５万〜１００万であ
る。ＡＭＰＳの塩はＮａ、になどアルカリ金属塩、ＮＨ
，塩である。The molecular weight is 10,000 to 5,000,000, preferably 50,000 to 1,000,000. AMPS salts include alkali metal salts such as Na and Ni, NH
, is salt.
本発明の三元共重合体は下記１．Ｉｌ、Ｉｎのセグメン
トから構成される。The terpolymer of the present invention is as follows: 1. It is composed of segments Il and In.
■
本発明の三元共重合体は通常のラジカル重合触媒を用い
て、Ｗ１０エマルジョン、或いは水溶液形態で重合製造
することができる。(2) The terpolymer of the present invention can be polymerized and produced in the form of a W10 emulsion or an aqueous solution using a conventional radical polymerization catalyst.
（作用）
本発明の石油ボーリング用泥水調整剤は泥水に０．０１
〜３％添加すればよく添加量は要求される泥水の脱水量
、粘度によって定められる。(Function) The muddy water conditioner for petroleum boring of the present invention is added to muddy water by 0.01%.
It is sufficient to add up to 3%, and the amount to be added is determined by the required amount of mud water to be dewatered and the viscosity.
本発明ニよる゛ポリマーはスルホネート基を含有するこ
とにより、２価カチオンに対する耐性を向上させ、Ｎ、
Ｎ−ジメチルアクリルアミド及びアクリロイルモルホリ
ンのノニオン基を含有させることによりスルホネート基
のアニオン基をボ１ツマー鎖中に適当に分散させる。こ
れにより泥水の分散性、及びレオロジー特性を改良し、
１水量を減少させることができる。The polymer according to the present invention improves resistance to divalent cations by containing sulfonate groups, and improves resistance to divalent cations.
By containing the nonionic groups of N-dimethylacrylamide and acryloylmorpholine, the anionic groups of the sulfonate groups are appropriately dispersed in the bulk chain. This improves the dispersibility and rheological properties of muddy water,
1. The amount of water can be reduced.
これらはいずれも、温度上昇によっても化学変成され難
く、従って高温安定性が良好である。All of these are resistant to chemical alteration even when the temperature rises, and therefore have good high-temperature stability.
（実施例）
以下本発明を実施例によって具体的に説明するが１本発
明はそれらによって限定されるものでＣよない。(Examples) The present invention will be specifically explained below with reference to Examples, but the present invention is not limited by these Examples.
製造例１ ２ｆＬの反応フラスコに水１２００ｍ１を加え。Manufacturing example 1 Add 1200ml of water to a 2fL reaction flask.
攪拌しながらＡＭＰＳモノマー１３７ｇを加え溶解した
後ＮａＯＨを加えｐＨ６，５に調整する。While stirring, 137 g of AMPS monomer was added and dissolved, and then NaOH was added to adjust the pH to 6.5.
次いで、Ｎ、Ｎ−ジメチルアクリルアミド（ＤＭＡＡ）
１３１ｇ及びアクリロイルモルホリン（ＡＣＭＯ）３２
ｇを加え（ＡＭＰＳ ： ＤＭＡＡ ニアクリロイルモ
ルホリンのモル比は３０：６０：１０）溶解後、過ｒ＆
酸アンモニウムを加え窒素気流下重合した。得られたポ
リマーの固有粘度は、３０°ＣＩＮ−ＮａＣ，ｕ中で約
２．０であった６本分子量は４５万であった。木サンプ
ルをＡとする。Then N,N-dimethylacrylamide (DMAA)
131g and acryloylmorpholine (ACMO) 32
g (the molar ratio of AMPS:DMAA niacrylmorpholine is 30:60:10), and after dissolving,
Ammonium acid was added and polymerization was carried out under a nitrogen stream. The obtained polymer had an intrinsic viscosity of about 2.0 in 30 DEG CIN-NaC, and a molecular weight of 450,000. Let the wood sample be A.
同様にして下表１のサンプルを調製した。Samples shown in Table 1 below were prepared in the same manner.
実施例１
海水成分の塩（Ｓｅａ ｓａＪＬＬ）２５０ｇを水７
５０ｇに溶解した後アタパルジャイト４０ｇを分散させ
泥水を調製した。Example 1 250 g of seawater component salt (Sea saJLL) was added to 7 ml of water.
After dissolving 50 g of attapulgite, 40 g of attapulgite was dispersed therein to prepare muddy water.
上記泥水４００ｍｆＬに製造例１で調製したサンプル２
０ｇを加え（純分換算１ｗｔ％量）＋１２拌溶解させた
。−夜間静置し均一溶解した後泥水のＦＬ（び水量）を
測定した。Sample 2 prepared in Production Example 1 in 400 mfL of the muddy water above
0 g was added (1 wt% amount in terms of pure content) +12 times to dissolve. - After standing overnight to uniformly dissolve the mud, the FL (flow rate) of the mud was measured.
更に１８０℃で１０時間ロール乾燥機で加熱後、２５℃
に冷却した後、泥水のＦｌ、（？／’水量）を測定した
。結果を下表２に示す。After further heating in a roll dryer at 180℃ for 10 hours, 25℃
After cooling to , the Fl, (?/'water amount) of the muddy water was measured. The results are shown in Table 2 below.
（以下余白）
表 ２
注■ ｓｅａ ５ａＪ１ｔ（７）組成（ＮａＣＪＬ
： ５８ ．５ 、ＭｇＣ１２６Ｈ２０：２６
、 ５ 、 Ｎ ａ ２ Ｓ Ｏａ ：
９ 、 ８ 、 Ｃａ Ｃｌ ２ ：２．８
．ＫＣ見： １．６ｗｔ％等）
注■ＦＬＣｆ水量）はＡＰＩ （Ａｍｅ ｒ ｉ ｃ
−ａｎ ＰｅＬｒｏＪｌｅｕｍ Ｉｎ５ｔｉ
ｔｕｔｅ）規格によって測定した。(Margin below) Table 2 Note ■ sea 5aJ1t (7) Composition (NaCJL
: 58. 5, MgC126H20:26
, 5, N a 2 S Oa:
9, 8, CaCl2: 2.8
．． KC: 1.6wt%, etc.) Note: FLCf water amount) is API (AmeriC
-an PeLroJleum In5ti
tute) standard.
実施例２
水１ＭにＮａＣｕ３１０ｇ、及びＣａＣ１ｚ５０ｇ、及
びＭ ｇ Ｃｌ ２６ Ｈ２０、ｌ Ｏ７ｇを加えて飽
和ＮａＣ１、Ｃａ２＋及びＭ ｇ２＋含有塩水を調整す
る。これに日本産アタパルジャイ）４０ｇを加えてアタ
パルジャイト懸濁液を調整した。Example 2 310 g of NaCu, 50 g of CaClz, and 7 g of M g Cl 26 H20,1 O are added to 1 M water to prepare a saturated NaCl, Ca 2+ and M g 2+ -containing brine. To this, 40 g of Japanese attapulgite was added to prepare an attapulgite suspension.
次いで上記のアタパルジャイト懸濁液８００ｍ！Ｌに１
ｗｔ％量の製造例１調整の薬剤を加え、攪拌均一化する
。−夜間１９置後再度攪拌均−化後二分割し一方はＦＬ
ｔ−測定した。Then 800m of the above attapulgite suspension! 1 in L
Add the wt% amount of the drug prepared in Production Example 1 and stir to homogenize. -After standing for 19 hours at night, stir and homogenize again, then divide into two, one being FL.
t-measured.
他方の分割物は１８０’Ｃ！ＸＩＯ時間ロール乾燥機で
加熱後室温に冷却し、次いでＦＬ値を測定した。結果を
下表３に示す。The other split is 180'C! After heating in an XIO time roll dryer, it was cooled to room temperature, and then the FL value was measured. The results are shown in Table 3 below.
表 ３
（ｊＡ明の効果）
ｉ）高温条件下（１５０℃以上）、２価のカチオン（例
えばＣａ ” 、 Ｍｇ ’十等）の存在する高濃度塩
水系の石油ボーリング掘削において有用なポリマーを提
供する。Table 3 (Effect of jA Ming) i) Provides a polymer useful in oil drilling in a highly concentrated salt water system in the presence of divalent cations (e.g. Ca'', Mg', etc.) under high temperature conditions (150°C or higher) do.
ｉｉ）本薬剤を添加して調整した泥水は、ｉ）項記載の
厳しい条件下においても、泥壁形成性が良好で
■レオロジー特性及び
■ア水性減少能力
を失なわず良好な泥水を維持できる。ii) Even under the severe conditions described in item i), the muddy water prepared by adding this agent has good mud wall formation properties and can maintain good muddy water without losing its rheological properties and aqueous reduction ability. .
出願人 第一・工業製薬株式会社Applicant: Daiichi Kogyo Seiyaku Co., Ltd.
Claims (2)
ン酸塩１０〜９０モル％、Ｎ，Ｎ−ジメチルアクリルア
ミド１０〜９０モル％及びアクリロイルモルホリン１〜
３０モル％の３元共重合体を必須成分とする石油ボーリ
ング掘削用泥水調整剤。(1) 10 to 90 mol% of 2-acrylamido-2-methylpropanesulfonate, 10 to 90 mol% of N,N-dimethylacrylamide, and 1 to 10 mol% of acryloylmorpholine
A mud water conditioning agent for petroleum drilling that contains 30 mol% of a terpolymer as an essential component.
水を調整する方法。(2) A method for adjusting mud for oil boring using the adjusting agent according to claim (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14445288A JPH01313584A (en) | 1988-06-10 | 1988-06-10 | Salt-and heat-resistant mud conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14445288A JPH01313584A (en) | 1988-06-10 | 1988-06-10 | Salt-and heat-resistant mud conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01313584A true JPH01313584A (en) | 1989-12-19 |
Family
ID=15362571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14445288A Pending JPH01313584A (en) | 1988-06-10 | 1988-06-10 | Salt-and heat-resistant mud conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01313584A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0427107A2 (en) * | 1989-11-06 | 1991-05-15 | M-I Drilling Fluids Company | Drilling fluid additive |
| CN103937482A (en) * | 2014-04-01 | 2014-07-23 | 西南石油大学 | Zwitterionic copolymer oil-displacing agent and synthesis method thereof |
-
1988
- 1988-06-10 JP JP14445288A patent/JPH01313584A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0427107A2 (en) * | 1989-11-06 | 1991-05-15 | M-I Drilling Fluids Company | Drilling fluid additive |
| EP0427107A3 (en) * | 1989-11-06 | 1992-04-08 | M-I Drilling Fluids Company | Drilling fluid additive |
| CN103937482A (en) * | 2014-04-01 | 2014-07-23 | 西南石油大学 | Zwitterionic copolymer oil-displacing agent and synthesis method thereof |
| CN103937482B (en) * | 2014-04-01 | 2016-09-07 | 西南石油大学 | A kind of amphoteric ion copolymer oil displacement agent and synthetic method thereof |
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