WO2021082279A1 - 一种钻井水基泥浆干化剂 - Google Patents
一种钻井水基泥浆干化剂 Download PDFInfo
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- WO2021082279A1 WO2021082279A1 PCT/CN2020/000263 CN2020000263W WO2021082279A1 WO 2021082279 A1 WO2021082279 A1 WO 2021082279A1 CN 2020000263 W CN2020000263 W CN 2020000263W WO 2021082279 A1 WO2021082279 A1 WO 2021082279A1
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- Prior art keywords
- based mud
- drilling water
- drying agent
- drilling
- water
- Prior art date
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- 238000005553 drilling Methods 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000002274 desiccant Substances 0.000 title claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 18
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000292 calcium oxide Substances 0.000 claims abstract description 17
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 16
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 15
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 15
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 15
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 15
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 15
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 16
- 238000002360 preparation method Methods 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 229920000768 polyamine Polymers 0.000 claims description 4
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- LHJQIRIGXXHNLA-UHFFFAOYSA-N calcium peroxide Chemical compound [Ca+2].[O-][O-] LHJQIRIGXXHNLA-UHFFFAOYSA-N 0.000 claims 1
- 235000019402 calcium peroxide Nutrition 0.000 claims 1
- 238000003672 processing method Methods 0.000 claims 1
- XUIMIQQOPSSXEZ-IGMARMGPSA-N silicon-28 atom Chemical compound [28Si] XUIMIQQOPSSXEZ-IGMARMGPSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 8
- 238000002386 leaching Methods 0.000 abstract description 7
- 239000002910 solid waste Substances 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 239000007790 solid phase Substances 0.000 abstract description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 3
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/148—Combined use of inorganic and organic substances, being added in the same treatment step
Definitions
- the embodiment of the present invention relates to the technical field of drilling waste fluid treatment, in particular to a drilling water-based mud drying agent.
- Drilling water-based mud is one of the main wastes. It is mainly a multi-phase stable colloidal suspension system containing clay, various chemical treatment agents, sewage, slop oil and drill cuttings, and contains certain heavy metals such as mercury and copper. , Arsenic, chromium, zinc, lead and barite, etc.
- water-based drilling mud is generally processed by filter press or other methods to separate the solid and liquid.
- the separated liquid needs to be treated twice to meet the discharge standard. This method has the disadvantages of complex technology and high cost.
- the embodiment of the present invention provides a drilling water-based mud drying agent.
- the drilling water-based mud drying agent is used to treat drilling water-based mud and has the advantages of simple process and low cost, so as to solve the complex process of the existing method. , High-cost defects.
- the embodiments of the present invention provide a drilling water-based mud drying agent
- the drilling water-based mud drying agent includes polyaluminum chloride, calcium oxide, silicon dioxide, carboxymethyl Base cellulose, curing agent.
- polyaluminum chloride is a cationic inorganic polymer flocculant with polyhydroxy and polynuclear complexes.
- Polyaluminum chloride undergoes hydrolysis under the action of water, and is accompanied by a series of aggregation, adsorption, precipitation, etc. Physical and chemical processes can effectively remove heavy metal ions contained in sewage.
- calcium oxide is alkaline and is used to adjust the pH. It can also remove heavy metal ions in the sewage to generate incompatible hydroxides.
- silica is used as the core of flocculation.
- carboxymethyl cellulose is a carboxymethyl group substitution product of cellulose. When used in sewage treatment, it has good adsorption and removal performance for heavy metal ions.
- the curing agent can accelerate the drying of the drilling water-based mud.
- the drilling water-based mud drying agent includes polyaluminum chloride 20-35%, calcium oxide 20-35%, silicon dioxide 25-35%, carboxymethyl cellulose 10 -25%, curing agent 10-20%.
- the curing agent includes an aliphatic polyamine.
- the aliphatic polyamine includes aliphatic polyamines such as diethylenetriamine, triethylenetetramine, and tetraethylenepentamine.
- the drilling water-based mud drying agent includes 25% polyaluminum chloride, 25% calcium oxide, 28% silicon dioxide, 12% carboxymethyl cellulose, and 10% curing agent. .
- the preparation method of the drilling water-based mud drying agent includes the following steps: mixing polyaluminum chloride, calcium oxide, silicon dioxide, carboxymethyl cellulose and curing agent.
- the embodiments of the present invention provide a method for processing water-based drilling mud.
- the method includes the following steps: adding the above-mentioned drying agent for drilling water-based mud to the water-based drilling mud; Stir and let it stand.
- the added amount of the drilling water-based mud drying agent is 5-10% of the weight of the drilling water-based mud.
- the drilling water-based mud drying agent of the present invention includes polyaluminum chloride, calcium oxide, silicon dioxide, carboxymethyl cellulose, and curing agent.
- polyaluminum chloride When added to the drilling water-based mud, a series of complex problems can occur with the mud. Physical and chemical reactions make the harmful components in the mud, such as heavy metals, polymers and oils, enclosed in it, thereby reducing its fluid loss and preventing heavy metals and polymers from spreading to the environment.
- the solid waste leachate of the drilling water-based mud meets the discharge standard of the maximum allowable discharge concentration standard limit in Table 1 of the "Integrated Wastewater Discharge Standard" GB8978-1996.
- the invention rapidly dries the drilling water-based mud into a solid phase by adding a desiccant, without the liquid part, omits the treatment of the liquid part, and has the advantages of simple and fast construction, good treatment effect, low environmental impact and the like.
- the drilling water-based mud drying agent of this embodiment by weight percentage, includes polyaluminum chloride 22%, calcium oxide 20%, silicon dioxide 35%, carboxymethyl cellulose 11%, and curing agent 12% .
- the curing agent is diethylene triamine.
- the preparation method of the above-mentioned drilling water-based mud drying agent includes the following steps:
- Example 2-5 The preparation method of Example 2-5 is the same as that of Example 1.
- the drilling water-based mud drying agent of this embodiment includes polyaluminum chloride 25%, calcium oxide 25%, silicon dioxide 28%, carboxymethyl cellulose 12%, and curing agent 10% .
- the curing agent is triethylenetetramine.
- the drilling water-based mud drying agent of this embodiment includes 30% polyaluminum chloride, 23% calcium oxide, 26% silicon dioxide, 10% carboxymethyl cellulose, and 11% curing agent in terms of weight percentage. .
- the curing agent is diethylene triamine.
- the drilling water-based mud drying agent of this embodiment includes 23% polyaluminum chloride, 28% calcium oxide, 26% silicon dioxide, 13% carboxymethyl cellulose, and 10% curing agent in terms of weight percentage. .
- the curing agent is tetraethylenepentamine.
- the drilling water-based mud drying agent of this embodiment includes 28% polyaluminum chloride, 20% calcium oxide, 25% silicon dioxide, 14% carboxymethyl cellulose, and 13% curing agent in terms of weight percentage. .
- the curing agent is tetraethylenepentamine.
- Preparation of leaching solution simulating natural processes, using pure water as the leaching agent to extract harmful substances, specifically, using the HJ557-2010 solid waste leaching toxicity leaching method (horizontal shaking method) to obtain the leaching solution.
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
一种钻井水基泥浆干化剂，属于钻井废液处理技术领域。所述钻井水基泥浆干化剂包括聚合氯化铝、氧化钙、二氧化硅、羧甲基纤维素、固化剂。经检测，钻井水基泥浆的固体废物浸出液符合《污水综合排放标准》GB8978-1996表1最高允许排放浓度标准限值的排放标准。通过添加干化剂使钻井水基泥浆迅速干化为固相，没有了液体部分，省去了对液体部分的处理，具有施工简单速度快、处理效果好、对环境影响小等优点。
Description
本发明实施例涉及钻井废液处理技术领域，具体涉及一种钻井水基泥浆干化剂。
在钻井过程中，为达到安全、快速钻井的目的，使用了各种类型的钻井液添加剂，而且随着钻井深度增加和难度加大，钻井液中加入的化学添加剂的种类和数量也越来越多，使得其废弃物的成分也变得越来越复杂，危害也越来越大。钻井水基泥浆是主要废弃物之一，它主要是一种含粘土、各种化学处理剂、污水、污油及钻屑的多相稳态胶体悬浮体系，以及含有某些重金属如汞、铜、砷、铬、锌、铅及重晶石等。
随着人们生活水平的提高和环保意识的加强，钻井水基泥浆的无害化处理日益受到关注。目前处理钻井水基泥浆一般采用压滤或其它方式使其固液分离，分离得到的液体需经二次处理以达到排放标准，该方法存在工艺复杂、成本高的缺陷。
发明内容
为此，本发明实施例提供一种钻井水基泥浆干化剂，该钻井水基泥浆干化剂用于处理钻井水基泥浆具有工艺简单、成本低的优点，以解决现有方法存在工艺复杂、成本高的缺陷。
为了实现上述目的，本发明实施例提供如下技术方案。
根据本发明实施例的第一方面，本发明实施例提供了一种钻井水基泥浆干化剂，所述钻井水基泥浆干化剂包括聚合氯化铝、氧化钙、二氧化硅、羧甲基纤维素、固化剂。
其中，聚合氯化铝是一种多羟基、多核络合体的阳离子型无机高分子絮凝剂，聚合氯化铝在水作用下，发生水解，且伴随着有发生凝聚、吸附、沉淀等一系列物理化学过程，能有效除去污水含有的重金属离子。
其中，氧化钙呈碱性，用于调节pH，同时也可以去除污水中的重金属离子，使其生成难容性的氢氧化物。
其中，二氧化硅作为絮凝核心。
其中，羧甲基纤维素是纤维素的羧甲基团取代产物，应用于污水处理时，对重金属离子具有较好的吸附脱除性能。
其中，固化剂能够加速钻井水基泥浆干化。
进一步地，按重量百分含量计，所述钻井水基泥浆干化剂包括聚合氯化铝20-35％、氧化钙20-35％、二氧化硅25-35％、羧甲基纤维素10-25％、固化剂10-20％。
进一步地，所述固化剂包括脂肪族多胺。作为优选，所述脂肪族多胺包括二乙烯三胺、三乙烯四胺、四乙烯五胺等脂肪多胺类。
进一步地，按重量百分含量计，所述钻井水基泥浆干化剂包括聚合氯化铝25％、氧化钙25％、二氧化硅28％、羧甲基纤维素12％、固化剂10％。
进一步地，所述钻井水基泥浆干化剂的制备方法包括以下步骤：将聚合氯化铝、氧化钙、二氧化硅、羧甲基纤维素和固化剂混匀即可。
根据本发明实施例的第二方面，本发明实施例提供了一种钻井水基泥浆的处理方法，所述方法包括以下步骤：向钻井水基泥浆中添加上述的钻井水基泥浆干化剂，搅拌，静置即可。
进一步地，所述钻井水基泥浆干化剂的添加量为钻井水基泥浆重量的5-10％。
进一步地，静置36～48小时。
本发明实施例具有如下优点：
本发明的钻井水基泥浆干化剂包括聚合氯化铝、氧化钙、二氧化硅、羧甲基纤维素、固化剂，将其添加到钻井水基泥浆，能够与泥浆发生的一系列复杂的物理、化学反应，使得泥浆中的有害成分如重金属、高聚物和油类等封闭包裹于其中，从而降低其滤失性，防止重金属和高聚物等向环境扩散。
经检测，钻井水基泥浆的固体废物浸出液符合《污水综合排放标准》GB8978-1996表1最高允许排放浓度标准限值的排放标准。本发明通过添加干化剂使钻井水基泥浆迅速干化为固相，没有了液体部分，省去了对液体部分的处理，具有施工简单速度快、处理效果好、对环境影响小等优点。
以下由特定的具体实施例说明本发明的实施方式，熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本发明的其他优点及功效，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例1
本实施例的钻井水基泥浆干化剂，按重量百分含量计，包括聚合氯化铝22％、氧化钙20％、二氧化硅35％、羧甲基纤维素11％、固化剂12％。其中，固化剂为二乙烯三胺。
上述钻井水基泥浆干化剂的制备方法包括以下步骤：
将聚合氯化铝、氧化钙、二氧化硅、羧甲基纤维素和固化剂混匀即可。
实施例2-5的制备方法同实施例1。
实施例2
本实施例的钻井水基泥浆干化剂，按重量百分含量计，包括聚合氯化铝25％、氧化钙25％、二氧化硅28％、羧甲基纤维素12％、固化剂10％。其中，固化剂为三乙烯四胺。
实施例3
本实施例的钻井水基泥浆干化剂，按重量百分含量计，包括聚合氯化铝30％、氧化钙23％、二氧化硅26％、羧甲基纤维素10％、固化剂11％。其中，固化剂为二乙烯三胺。
实施例4
本实施例的钻井水基泥浆干化剂，按重量百分含量计，包括聚合氯化铝23％、氧化钙28％、二氧化硅26％、羧甲基纤维素13％、固化剂10％。其中，固化剂为四乙烯五胺。
实施例5
本实施例的钻井水基泥浆干化剂，按重量百分含量计，包括聚合氯化铝28％、氧化钙20％、二氧化硅25％、羧甲基纤维素14％、固化剂13％。其中，固化剂为四乙烯五胺。
测试例
取自某油田现场提供的钻井水基泥浆(外观呈棕褐色糊状，含水率为82.5％)5份，每份100g，各自分别加入实施例1-5的干化剂10克，搅拌3分钟，静置48小时，得到固体废物。
浸出液制备：模拟自然过程，以纯水为浸提剂，浸出有害物质，具体地，采用HJ557-2010固体废物浸出毒性浸出方法(水平振荡法)，得到浸出液。
对固体废物(浸出液)的pH值、含水率、六价铬、总铬、汞、砷、锌、铅、铜、镉含量进行检测。
本次检测项目的检测方法、方法来源、使用仪器及检出限见表1。
表1
固体废物浸出液检测结果见表2。
表2
注：“-”表示所使用的标准对该项目无限值要求。除pH及含水率外，其他单位均为mg/L。
结论：固体废物浸出液所检测指标监测结果均符合《污水综合排放标准》GB8978-1996表1最高允许排放浓度标准限值。说明本发明实施例的钻井水基泥浆干化剂能有效处理钻井水基泥浆，具有广阔的应用前景。
虽然，上文中已经用一般性说明及具体实施例对本发明作了详尽的描述，但在本发明基础上，可以对之作一些修改或改进，这对本领域技术人员而言是显而易见的。因此，在不偏离本发明精神的基础上所做的这些修改或改进，均属于本发明要求保护的范围。
Claims (8)
- 一种钻井水基泥浆干化剂，其特征在于，所述钻井水基泥浆干化剂包括聚合氯化铝、氧化钙、二氧化硅、羧甲基纤维素、固化剂。
- 根据权利要求1所述的钻井水基泥浆干化剂，其特征在于，按重量百分含量计，所述钻井水基泥浆干化剂包括聚合氯化铝20-35％、氧化钙20-35％、二氧化硅25-35％、羧甲基纤维素10-25％、固化剂10-20％。
- 根据权利要求1所述的钻井水基泥浆干化剂，其特征在于，按重量百分含量计，所述钻井水基泥浆干化剂包括聚合氯化铝25％、氧化钙25％、二氧化硅28％、羧甲基纤维素12％、固化剂10％。
- 根据权利要求1所述的钻井水基泥浆干化剂，其特征在于，所述固化剂为脂肪族多胺。
- 根据权利要求1所述的钻井水基泥浆干化剂，其特征在于，所述钻井水基泥浆干化剂的制备方法包括以下步骤：将聚合氯化铝、氧化钙、二氧化硅、羧甲基纤维素和固化剂混匀即可。
- 一种钻井水基泥浆的处理方法，其特征在于，所述方法包括以下步骤：向钻井水基泥浆中添加如权利要求1所述的钻井水基泥浆干化剂，搅拌，静置即可。
- 根据权利要求6所述的钻井水基泥浆的处理方法，其特征在于，所述钻井水基泥浆干化剂的添加量为钻井水基泥浆重量的5-10％。
- 根据权利要求6所述的钻井水基泥浆的处理方法，其特征在于，静置36～48小时。
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