JP2020528484A - スケーリング傾向の低い海水系高温粘弾性界面活性剤流体を生成するための方法および組成物 - Google Patents
スケーリング傾向の低い海水系高温粘弾性界面活性剤流体を生成するための方法および組成物 Download PDFInfo
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Abstract
Description
実施例1は、80体積%の脱硫海水を20体積%の地層水と組み合わせることにより調製された。得られた溶液を300°Fで7日間静置した。その溶液を1日目および7日目に撮影した。1日目からの写真を図1Aに示し、7日目からの写真を図1Cに示す。
比較例A
比較例Aは、80体積%の自然海水(未処理)を20体積%の地層水と組み合わせることにより調製された。得られた溶液を300°Fで7日間静置した。その溶液を1日目および7日目に撮影した。1日目からの写真を図1Bに示し、7日目からの写真を図1Dに示す。
比較例B
比較例Bは、50ミリリットル(mL)の脱硫海水を2.5mLのVESと組み合わせることにより調製された。比較例Bの粘度は、API RP 39によりFann50粘度計で測定された。これらの粘度測定値を図2に示す。
実施例2
実施例2は、0.5グラム(g)の疎水変性アニオン性ポリアクリルアミドターポリマー(SNF Floergerにより商品名FP9515SHとして市販されている)を比較例Bに添加することにより調製された。実施例2の粘度は、API RP 39によりFann50粘度計で測定された。これらの粘度測定値を図2に示す。
実施例3
実施例3は、12ppt(1ppt=0.12グラム/リットル)の多層カーボンナノチューブを比較例Bに添加することにより調製された。カーボンナノチューブは、Cheap Tubes Inc.から購入されて、95重量%のカーボンナノチューブは、30nm〜50nmの長さを有する。
Claims (15)
- 脱硫海水を含む粘弾性界面活性剤流体を生成する方法であって、
アルカリ土類金属ハロゲン化物を海水に添加して、硫酸塩沈殿物を生成することと、
前記硫酸塩沈殿物を除去して、前記脱硫海水を生成することと、
粘弾性界面活性剤、およびナノ粒子粘度調整剤またはポリマー粘度調整剤のうちの1つ以上を前記脱硫海水に添加して、前記粘弾性界面活性剤流体を生成することと
を含み、前記粘弾性界面活性剤は以下の一般式を有し、
- 前記アルカリ土類金属ハロゲン化物が、ハロゲン化カルシウムまたはCaCl2のうちの1つ以上を含む、請求項1に記載の方法。
- 前記アルカリ土類金属ハロゲン化物にCaOを添加して、硫酸塩沈殿物を生成することをさらに含む、請求項1に記載の方法。
- 前記粘弾性界面活性剤流体が、0.1体積%〜20体積%の粘弾性界面活性剤を含む、請求項1に記載の方法。
- 前記ポリマー粘度調整剤が、250,000g/mol〜40,000,000g/mol、より好ましくは2,000,000g/mol〜8,000,000g/molの重量平均分子量を有する、請求項1に記載の方法。
- 前記粘弾性界面活性剤流体が、0.001重量%〜5重量%のナノ粒子粘度調整剤を含む、請求項1に記載の方法。
- 粘弾性界面活性剤流体であって、
以下の一般式を含む粘弾性界面活性剤であって、
0.1〜500ナノメートルの粒径を含む少なくとも1つのナノ粒子粘度調整剤と、
脱硫海水と、
少なくとも1つの安定化カルシウム塩と
を含む、粘弾性界面活性剤流体。 - 前記粘弾性界面活性剤が、エルカミドプロピルヒドロキシプロピルスルタインを含む、請求項7に記載の粘弾性界面活性剤流体。
- 前記粘弾性界面活性剤流体が、0.1体積%〜20体積%の粘弾性界面活性剤を含む、請求項7に記載の粘弾性界面活性剤流体。
- 前記粘弾性界面活性剤流体が、1重量%〜50重量%の少なくとも1つの安定化カルシウム塩を含む、請求項7に記載の粘弾性界面活性剤流体。
- 前記ナノ粒子粘度調整剤が非ポリマー性である、請求項7に記載の粘弾性界面活性剤流体。
- 前記粘弾性界面活性剤流体が、0.001重量%〜5重量%のナノ粒子粘度調整剤を含む、請求項7に記載の粘弾性界面活性剤流体。
- 前記粘弾性流体が、300°F以上の温度で10cP以上の粘度を有する、請求項7に記載の粘弾性界面活性剤流体。
- 粘弾性界面活性剤流体であって、
以下の一般式を含む粘弾性界面活性剤であって、
250,000g/mol〜40,000,000g/molの重量平均分子量を有する少なくとも1つのポリマー粘度調整剤と、
脱硫海水と、
少なくとも1つの安定化カルシウム塩と
を含む、粘弾性界面活性剤流体。 - 前記ポリマー粘度調整剤が、2,000,000g/mol〜8,000,000g/molの重量平均分子量を有する、請求項14に記載の粘弾性界面活性剤流体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US15/661,596 US10563119B2 (en) | 2017-07-27 | 2017-07-27 | Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency |
US15/661,596 | 2017-07-27 | ||
PCT/US2018/040199 WO2019022917A1 (en) | 2017-07-27 | 2018-06-29 | METHOD AND COMPOSITIONS FOR PRODUCING HIGH-TEMPERATURE LOW TEMPERATURE-BASED VISCOELASTIC SURFACE FLUIDS WITH DESCALING TRENCH |
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JP2020528484A true JP2020528484A (ja) | 2020-09-24 |
JP2020528484A5 JP2020528484A5 (ja) | 2021-08-05 |
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US (5) | US10563119B2 (ja) |
EP (1) | EP3658513A1 (ja) |
JP (1) | JP2020528484A (ja) |
CN (1) | CN111032583A (ja) |
CA (1) | CA3071077A1 (ja) |
SA (1) | SA520411148B1 (ja) |
WO (1) | WO2019022917A1 (ja) |
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US20210380867A1 (en) * | 2020-06-08 | 2021-12-09 | Saudi Arabian Oil Company | Methods and compositions for downhole diversion of well treatment fluid |
US11746280B2 (en) | 2021-06-14 | 2023-09-05 | Saudi Arabian Oil Company | Production of barium sulfate and fracturing fluid via mixing of produced water and seawater |
US11661541B1 (en) | 2021-11-11 | 2023-05-30 | Saudi Arabian Oil Company | Wellbore abandonment using recycled tire rubber |
US11987750B2 (en) | 2021-12-16 | 2024-05-21 | Saudi Arabian Oil Company | Water mixture for fracturing application |
US11939519B2 (en) | 2022-08-29 | 2024-03-26 | Saudi Arabian Oil Company | Methods and systems to reduce scale formation |
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SA520411148B1 (ar) | 2022-12-13 |
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US11001749B2 (en) | 2021-05-11 |
US11078408B2 (en) | 2021-08-03 |
US20210230474A1 (en) | 2021-07-29 |
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