JP2020532627A - 増強された高温架橋破砕流体 - Google Patents
増強された高温架橋破砕流体 Download PDFInfo
- Publication number
- JP2020532627A JP2020532627A JP2020512709A JP2020512709A JP2020532627A JP 2020532627 A JP2020532627 A JP 2020532627A JP 2020512709 A JP2020512709 A JP 2020512709A JP 2020512709 A JP2020512709 A JP 2020512709A JP 2020532627 A JP2020532627 A JP 2020532627A
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- Prior art keywords
- fluid
- terpolymer
- crushed
- sugar alcohol
- range
- Prior art date
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- Granted
Links
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Abstract
Description
この出願は、2017年8月29日に出願された米国特許出願第62/551,369号に対する優先権を主張し、その全内容は参照により本明細書に組み込まれる。
M1 − 提示する各実施例で用いるターポリマーは、15mol%の2−アクリルアミド−2−メチルプロパンスルホン酸(AMPSA)と、5mol%のアクリル酸(AA)と、80mol%のアクリルアミド(AM)とを含有する油中水型エマルションの形態である(30%活性)。
M2 − 20%酢酸溶液;M2’ − 酢酸/酢酸塩緩衝溶液。
M3 − Zr架橋剤(TYZOR(登録商標)212、16.75wt%のZrO2と12.4wt%のZrとを含む)。
M4 − ゲル安定剤(CELB225−010−2、ChemEORから入手できる)。
M5 − 粘土安定剤、50%塩化テトラメチルアンモニウム(TMAC)(PACS−150L、Precision Additivesから入手できる)。
範囲の形式で表現する値は、範囲の限度として明示的に示す数値だけを含むのではなく、その範囲に包含される個々の数値又は部分範囲も全て、各数値及び部分範囲が明示的に示されているかのように含まれるものとして柔軟に解釈すべきである。例えば、「約0.1%から約5%」又は「約0.1%から5%」の範囲は、約0.1%から約5%だけでなく、示された範囲内の個々の値(例えば、1%、2%、3%、及び4%)並びに部分範囲(例えば、0.1%から0.5%、1.1%から2.2%、3.3%から4.4%)も含むものと解釈すべきである。「約XからY」という記述は、別段の指示がない限り「約Xから約Y」と同じ意味を有する。同様に、「約X、Y、又は約Z」という記述は、別段の指示がない限り「約X、約Y、又は約Z」と同じ意味を有する。
実施の形態をその詳細な説明と共に述べたが、それらの説明は、付帯する特許請求の範囲によって定義される本願の範囲を例示するに過ぎず、限定するものではないことを理解されたい。他の態様、利点、及び改変は、提示の特許請求の範囲に含まれる。
Claims (41)
- 破砕流体であって:
ターポリマーを備える水性ターポリマー組成物であって、前記ターポリマーは、2−アクリルアミド−2−メチルプロパンスルホン酸、アクリルアミド、及びアクリル酸モノマー単位、又はその塩を備える、前記水性ターポリマー組成物と;
金属を備える架橋剤と;
糖アルコール又は糖アルコール誘導体を備える添加剤と;の混合物を備え、
前記ターポリマーに対する前記金属の重量比の範囲は、0.01から0.16であり、
前記添加剤の濃度の範囲は、前記破砕流体の0.001wt.%から10wt.%である、
破砕流体。 - 前記添加剤は、糖アルコールを備える、
請求項1に記載の破砕流体。 - 前記糖アルコールは、ソルビトール、エリトリトール、マンニトール、ラクチトール、キシリトール、及びマルチトールのうちの少なくとも1種を備える、
請求項2に記載の破砕流体。 - 前記糖アルコールの濃度の範囲は、前記破砕流体の0.005wt.%から10wt.%である、
請求項2に記載の破砕流体。 - 前記添加剤は、糖アルコール誘導体を備える、
請求項1に記載の破砕流体。 - 前記糖アルコール誘導体は、ソルビトール、エリトリトール、マンニトール、ラクチトール、キシリトール、及びマルチトールの誘導体のうちの少なくとも1種を備える、
請求項5に記載の破砕流体。 - 前記糖アルコール誘導体の濃度の範囲は、前記破砕流体の0.01wt.%から10wt.%、0.05wt.%から5wt.%、又は、0.05wt.%から2wt.%である、
請求項5に記載の破砕流体。 - 前記糖アルコール誘導体は、アルキル化糖アルコールを備える、
請求項5に記載の破砕流体。 - 前記ターポリマーに対する前記金属の重量比の範囲は、0.02から0.16である、
請求項1に記載の破砕流体。 - 前記ターポリマーは、1mol%から55mol%の前記2−アクリルアミド−2−メチルプロパンスルホン酸モノマー単位を備える、
請求項1に記載の破砕流体。 - 前記ターポリマーは、1mol%から40mol%の前記2−アクリルアミド−2−メチルプロパンスルホン酸モノマー単位を備える、
請求項10に記載の破砕流体。 - 前記ターポリマーは、1mol%から25mol%の前記2−アクリルアミド−2−メチルプロパンスルホン酸モノマー単位を備える、
請求項11に記載の破砕流体。 - ゲル安定剤と、粘土安定剤と、粘度破壊剤と、プロパントと、pH調節剤とのうちの少なくとも1種を備える、
請求項1に記載の破砕流体。 - 前記pH調節剤を備え、
前記破砕流体のpHの範囲は、2から7又は3から6.5である、
請求項13に記載の破砕流体。 - 50mg/Lと50,000mg/Lの間の総溶解固形分を備える、
請求項1に記載の破砕流体。 - 前記破砕流体中の前記金属の濃度の範囲は、0.001wt.%から0.048wt.%である、
請求項1に記載の破砕流体。 - 前記破砕流体は、前記破砕流体1,000ガロン当たり20ポンドから50ポンドの前記ターポリマーを備える、
請求項1に記載の破砕流体。 - 架橋後、ゲルが、300°F(149℃)から400°F(204℃)の範囲の温度で40/秒のせん断速度に曝されたとき、前記破砕流体は、少なくとも500cPの粘度を少なくとも80分間有する、
請求項1に記載の破砕流体。 - 地下層を処理する方法であって:
破砕流体を地下層へ導入するステップであって、
前記破砕流体は:
ターポリマーを備える水性ターポリマー組成物であって、前記ターポリマーは、2−アクリルアミド−2−メチルプロパンスルホン酸、アクリルアミド、及びアクリル酸モノマー単位、又はその塩を備える、前記水性ターポリマー組成物と;
金属を備える架橋剤と;
糖アルコール又は糖アルコール誘導体を備える添加剤と;を備え、
前記ターポリマーに対する前記金属の重量比の範囲は、0.01から0.16であり、
前記添加剤の濃度の範囲は、前記破砕流体の0.001wt.%から10wt.%である、前記導入するステップと;
架橋された破砕流体を生成するために、前記地下層において前記破砕流体を架橋させるステップと;を備える、
地下層を処理する方法。 - 前記添加剤は、糖アルコールを備える、
請求項19に記載の方法。 - 前記糖アルコールは、ソルビトール、エリトリトール、マンニトール、ラクチトール、キシリトール、及びマルチトールのうちの少なくとも1種を備える、
請求項20に記載の方法。 - 前記糖アルコールの濃度の範囲は、前記破砕流体の0.005wt.%から10wt.%である、
請求項20に記載の方法。 - 前記添加剤は、糖アルコール誘導体を備える、
請求項19に記載の方法。 - 前記糖アルコール誘導体は、ソルビトール、エリトリトール、マンニトール、ラクチトール、キシリトール、及びマルチトールの誘導体のうちの少なくとも1種を備える、
請求項23に記載の方法。 - 前記糖アルコール誘導体の濃度の範囲は、前記破砕流体の0.01wt.%から10wt.%、0.05wt.%から5wt.%、又は、0.05wt.%から2wt.%の範囲である、
請求項23に記載の方法。 - 前記糖アルコール誘導体は、アルキル化糖アルコールを備える、
請求項23に記載の方法。 - 前記破砕流体中の前記金属の濃度の範囲は、0.001wt.%から0.048wt.%である、
請求項19に記載の方法。 - 前記破砕流体は、前記破砕流体1,000ガロン当たり20から50ポンドの前記ターポリマーを備える、
請求項19に記載の方法。 - 前記架橋剤は、ジルコニウムを備え、
前記破砕流体は、前記破砕流体1,000ガロン当たり25ポンドの前記ターポリマーを備え、
前記ターポリマーに対する前記ジルコニウムの重量比の範囲は、約0.02から約0.4であり、
前記ターポリマーは、15wt.%の前記2−アクリルアミド−2−メチルプロパン−スルホン酸モノマー単位を備え、
架橋された破砕流体が300°Fの温度で40/秒のせん断速度に曝されたとき、前記架橋された破砕流体は、少なくとも500cPの粘度を最大180分間維持する、
請求項28に記載の方法。 - 前記架橋された破砕流体は、粘度破壊剤を備え、
前記架橋された破砕流体が300°Fの温度で40/秒のせん断速度に曝されたとき、前記架橋された破砕流体は、少なくとも500cPの粘度を最大160分間維持し、360分後に10cP未満の粘度を有する、
請求項29に記載の方法。 - 前記架橋剤は、ジルコニウムを備え、
前記破砕流体は、前記破砕流体1,000ガロン当たり20ポンドの前記ターポリマーを備え、
前記ターポリマーに対する前記ジルコニウムの重量比の範囲は、約0.02から約0.4であり、
前記架橋された破砕流体が300°Fの温度で40/秒のせん断速度に曝されたとき、前記架橋された破砕流体は、少なくとも500cPの粘度を最大180分間維持する、
請求項29に記載の方法。 - 前記架橋剤は、ジルコニウムを備え、
前記破砕流体は、前記破砕流体1,000ガロン当たり30ポンドの前記ターポリマーを備え、
前記ターポリマーに対する前記ジルコニウムの重量比の範囲は、約0.02から約0.04であり、
前記架橋された破砕流体が400°Fの温度で40/秒のせん断速度に曝されたとき、前記架橋された破砕流体は、少なくとも500cPの粘度を最大80分間維持する、
請求項29に記載の方法。 - 破砕流体であって:
ターポリマーを備える水性ターポリマー組成物であって、
前記ターポリマーは、2−アクリルアミド−2−メチルプロパンスルホン酸、アクリルアミド、及びアクリル酸モノマー単位、又はその塩を備え、
前記ターポリマーは、1mol%から55mol%の前記2−アクリルアミド−2−メチルプロパンスルホン酸モノマー単位を備える、前記水性ターポリマー組成物と;
金属を備える架橋剤と;
糖アルコール又は糖アルコール誘導体を備える添加剤と;の混合物を備え、
前記ターポリマーに対する前記金属の重量比の範囲は、0.01から0.16であり、
前記添加剤の濃度の範囲は、前記破砕流体の0.001wt.%から10wt.%であり、
前記架橋剤は、300°F、pH7未満で少なくとも500cPの粘度を有する架橋された流体を生成するのに十分な量で存在する、
破砕流体。 - 前記添加剤は、糖アルコールを備える、
請求項33に記載の破砕流体。 - 前記糖アルコールは、ソルビトール、エリトリトール、マンニトール、ラクチトール、キシリトール、及びマルチトールのうちの少なくとも1種を備える、
請求項34に記載の破砕流体。 - 前記糖アルコールの濃度の範囲は、前記破砕流体の0.005wt.%から10wt.%である、
請求項34に記載の破砕流体。 - 前記添加剤は、糖アルコール誘導体を備える、
請求項34に記載の破砕流体。 - 前記糖アルコール誘導体は、ソルビトール、エリトリトール、マンニトール、ラクチトール、キシリトール、及びマルチトールの誘導体のうちの少なくとも1種を備える、
請求項37に記載の破砕流体。 - 前記糖アルコール誘導体の濃度の範囲は、前記破砕流体の0.01wt.%から10wt.%、0.05wt.%から5wt.%、又は、0.05wt.%から2wt.%である、
請求項37に記載の破砕流体。 - 前記糖アルコール誘導体は、アルキル化糖アルコールを備える、
請求項37に記載の破砕流体。 - 前記架橋剤は、水混和性非水性流体を備える、
請求項33に記載の破砕流体。
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- 2018-08-27 CN CN201880070937.2A patent/CN111601868A/zh active Pending
- 2018-08-27 CA CA3074201A patent/CA3074201A1/en active Pending
- 2018-08-27 JP JP2020512709A patent/JP7277437B2/ja active Active
- 2018-08-27 WO PCT/US2018/048087 patent/WO2019046161A1/en unknown
- 2018-08-28 US US16/114,662 patent/US10865342B2/en active Active
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2020
- 2020-02-27 SA SA520411434A patent/SA520411434B1/ar unknown
- 2020-11-11 US US17/095,461 patent/US11248164B2/en active Active
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US11248164B2 (en) | 2022-02-15 |
EP3676349A1 (en) | 2020-07-08 |
US20190062619A1 (en) | 2019-02-28 |
US10865342B2 (en) | 2020-12-15 |
CA3074201A1 (en) | 2019-03-07 |
SA520411434B1 (ar) | 2022-12-22 |
JP7277437B2 (ja) | 2023-05-19 |
CN111601868A (zh) | 2020-08-28 |
WO2019046161A1 (en) | 2019-03-07 |
US20210062071A1 (en) | 2021-03-04 |
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