CN110159225A - 一种全自动固井成套控制的方法 - Google Patents

一种全自动固井成套控制的方法 Download PDF

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CN110159225A
CN110159225A CN201910442497.5A CN201910442497A CN110159225A CN 110159225 A CN110159225 A CN 110159225A CN 201910442497 A CN201910442497 A CN 201910442497A CN 110159225 A CN110159225 A CN 110159225A
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王彦峰
李恩杰
刘仁
王吉华
吴张晔
李明升
邹力抚
吴文全
马灯刚
王金
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Yantai Jereh Petroleum Equipment and Technologies Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/13Methods or devices for cementing, for plugging holes, crevices or the like
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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    • G05B19/02Programme-control systems electric
    • G05B19/418Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41845Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract

本发明公开了一种全自动固井成套控制的方法,涉及石油装备相关技术领域,包括智能全自动固井关键控制、配套控制、自动动力控制系统、混浆控制系统、自动预混功能、液位自动控制、管汇自动控制、液压气路控制系统、供灰自动控制系统、化添自动控制系统、供水自动控制系统和井控装置自动控制系统。本发明实现固井作业的智能全自动控制的一种作业方法,成功突破管汇自动控制技术,供灰系统自动控制技术,全自动控制技术,大大提升我司设备技术先进水平,开创未来固井作业的新模式,开启智慧油田新时代,通过智能全自动固井作业工艺的实现可以解决目前客户面临的劳动力紧缺和劳动资源紧张的问题,实现智能化操作。

Description

一种全自动固井成套控制的方法
技术领域
本发明涉及石油装备相关技术领域,特别涉及一种全自动固井成套控制的方法。
背景技术
石油机械装备由于自身结构特点和应用特性,适用于智能化发展,这也是油田生产发展的必然要求,各专项石油机械具备可行并可靠的受控因素,为智能化发展提供恰当合理的技术接口。
在石油智能化推进过程中,应避免只注重形式而忽略内容的做法,突出以实现油田生产工艺自动化为主体内容的石油装备智能化推进,在石油行业深入引入市场机制实现石油机械智能化水平渐进式提高的良性发展格局,作业安全性,高效性,智能化是行业发展的必然趋势,未来固井作业发展将是更加安全,更加便捷,更加智能,以解放及解决人员不足问题和费用过高问题。
发明内容
(一)解决的技术问题
针对现有技术的不足,本发明提供了一种全自动固井成套控制的方法,解决了传统石油智能化推进过程中固井的作业安全性、高效性和智能便携性较差的问题。
(二)技术方案
为实现以上目的,本发明通过以下技术方案予以实现:
一种全自动固井成套控制的方法,包括智能全自动固井关键控制、配套控制、自动动力控制系统、混浆控制系统、自动预混功能、液位自动控制、管汇自动控制、液压气路控制系统、供灰自动控制系统、化添自动控制系统、供水自动控制系统和井控装置自动控制系统。
可选的,所述智能全自动固井关键控制主要包含有蝶阀远程及自动控制、动力远程及自动控制、混合远程及自动控制、辅助功能、密度自动控制、液位自动控制、排量自动控制和管汇自动控制。
可选的,所述配套控制主要包含有设备仪表控制系统、设备化添自动控制系统、供水自动控制系统、供灰自动控制系统和井控装置自动控制系统。
可选的,所述自动动力控制系统主要包括有发动机、变速箱、传动轴、支撑底座、进气系统、排气系统、冷却系统和燃油系统。
可选的,所述混浆控制系统主要包括有混浆罐、计量罐、低压管汇、高能混合器和搅拌器。
可选的,所述液压气路控制系统主要包括有液压泵、液压马达、液压油箱、液压阀件、润滑齿轮泵、干燥器和气瓶。
可选的,所述供灰自动控制系统主要包括有空压机、立式灰罐、气路系统、管路系统和液压系统。
可选的,所述化添自动控制系统主要包括有独立化添罐、气路系统远程控制和参数监控。
(三)有益效果
本发明提供了一种全自动固井成套控制的方法,具备以下有益效果:
(1)、本发明实现固井作业的智能全自动控制的一种作业方法,成功突破管汇自动控制技术,供灰系统自动控制技术,全自动控制技术,大大提升我司设备技术先进水平,开创未来固井作业的新模式,开启智慧油田新时代。
(2)、本发明通过智能全自动固井作业工艺的实现可以解决目前客户面临的劳动力紧缺和劳动资源紧张的问题,实现智能化操作,设备配备远程控制系统,使得操作手远离噪音与高压区,身临其境地完成操作,确保了设备和人员的双重安全,安全高效。
附图说明
图1为本发明系统连接的示意图;
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅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。
根据如图1所示,本发明提供了一种技术方案:
一种全自动固井成套控制的方法,包括智能全自动固井关键控制、配套控制、自动动力控制系统、混浆控制系统、自动预混功能、液位自动控制、管汇自动控制、液压气路控制系统、供灰自动控制系统、化添自动控制系统、供水自动控制系统和井控装置自动控制系统;
自动预混功能,客户可以自由选择此功能是否启用。当功能启用时,客户自己设定预混密度与预混偏差密度、水阀阀位开度、灰阀阀位开度、液位和密度时间等参数,当功能启用时,先按照预设的水阀阀位开启水阀和灰阀阀位调节为0,增加进水量,当液位达到预设液位时,水阀关闭,灰阀开启到预设阀位,开始下灰,当密度达到预设密度时,灰阀关闭,即自动预混结束,当预混结束时,可以选择为自动排量模式,系统将按预设的泥浆流量,密度自动控制系统可实现一键操作,用户输入各个阶段的密度和排量等参数后,可实现从预混、领浆和尾浆到清洗过程的全程自动控制;
液位自动控制,当液位超过高限值或低限制值时,液位显示颜色会变红色或黄色,同时控制供水离心泵或者远程供水泵进行启动或者停止动作;
管汇自动控制,用于客户阶段设计数量并不固定,并且不同类型的阶段之间操作不同。通过开放作业流程设置选项,每次作业或特定流程作业前可自主设定各阶段蝶阀开启或关闭情况,停泵时间,作业密度及排量,各作业阶段形成无缝衔接,一键操作实现管汇全流程自动控制,达到全自动固井作业效果;
泵送前置液:需要自动切换蝶阀,自动停泵;
泵送前置液:需要自动切换蝶阀,自动停泵;
水泥浆泵送:供水,供灰达到预混效果后,水泥浆可能包括领浆、中间浆和尾浆,中间是不允许停泵和切换蝶阀;
替浆:水泥浆和顶替液之间又需要自动停泵,并自动切换蝶阀;
供水自动控制系统,本地和遥控不同控制方式的切换旋钮,本地控制具有启动和停止按钮,远程控制可使用遥控器控制潜水泵的启动和停止。可同时操作每一路的输出启动和停止,同时配备又不开盖检查内部漏电保护器是否正常的检验装置,该故障与故障指示灯集成,如故障指示灯不亮就说明漏电保护器正常,如点亮说明设备存在故障,需要进行检查;
井控装置自动控制系统,通过固井车远程控制所有执行器开关,执行器除了接收控制信号,还输出反馈信号给固井车,确保阀门的开关状态正确无误。
作为本发明的一种可选技术方案:
智能全自动固井关键控制主要包含有蝶阀远程及自动控制、动力远程及自动控制、混合远程及自动控制、辅助功能、密度自动控制、液位自动控制、排量自动控制和管汇自动控制。
作为本发明的一种可选技术方案:
配套控制主要包含有设备仪表控制系统、设备化添自动控制系统、供水自动控制系统、供灰自动控制系统和井控装置自动控制系统。
作为本发明的一种可选技术方案:
自动动力控制系统主要包括有发动机、变速箱、传动轴、支撑底座、进气系统、排气系统、冷却系统和燃油系统,动力系统作为设备动力源,为设备上的工作部件提供动力,油门档位本地远程切换扳扭,用于本地和远程的油门控制,即变速箱第一和第二换挡器的切换控制,通过变速箱减速比、大泵排量因子和发动机转速换算出各个档位下发动机1800rpm时的排量,以此排量为界限进行自动排量档位切换,实际使用中,操作者设定一个排量,系统自动判断排量所处的排量区间,然后自动增加油门,使用带TCM的变速箱,当达到排量时,如未到达闭锁转速,系统将自动切换到强制闭锁,若使用机械或不带TCM的变速箱,系统将将转速提供到闭锁转速,达到闭锁调节后,再降转速。
作为本发明的一种可选技术方案:
混浆控制系统主要包括有混浆罐、计量罐、低压管汇、高能混合器和搅拌器,能采用手动混浆、单变量控制混浆和多变量全自动混浆系统,满足客户不同需求。也能采用自动混合系统根据压力和排量要求自动控制发动机油门和变速箱挡位,彻底解放操作手,固井工艺从实验室拷贝到固井车,固井作业从此开始一键式操作。
作为本发明的一种可选技术方案:
液压气路控制系统主要包括有液压泵、液压马达、液压油箱、液压阀件、润滑齿轮泵、干燥器和气瓶,为设备离心泵、气动头、润滑等提供动力,保证设备正常工作。
作为本发明的一种可选技术方案:
供灰自动控制系统主要包括有空压机、立式灰罐、气路系统、管路系统和液压系统,通过空压机、立式灰罐、气路系统、管路系统和液压系统组成一套独立供灰单元,通过远程控制,实现空压机发动机启停控制,通过发动机驱力,驱动灰罐称重装置液压系统,采用近程和远程开关控制空压机到灰罐的通断,通过电控气蝶阀实现立式灰罐供灰管路的切换和控制,当灰罐达到空罐状态时,称重传感器反馈空罐信号,通过远程控制器实现灰罐的自动切换。
作为本发明的一种可选技术方案:
化添自动控制系统主要包括有独立化添罐、气路系统远程控制和参数监控,通过独立化添罐、气路系统远程控制和参数监控组成一套独立化添系统单元,通过远程控制,实现化添开度控制远程控制和自动切换。
综上所述:将所有的控制系统集中到一个区域比如固井仪表设备,同时也能分散控制,能实现本地和远程控制,通过自动控制供水系统和化添系统和供灰系统,保证稳定液体及固体供给,再通过核心固井设备控制(蝶阀远程及自动控制、动力远程及自动控制、混合远程及自动控制、辅助功能(压力、底盘车转速、搅拌轴、消泡剂等)、密度自动控制、液位自动控制、排量自动控制和管汇自动控制,实现水泥浆中的自动混配和各阶段管汇自动控制,再通过全自动动力系统控制和自动井口控制系统,将混合好之后具有一定密度的水泥浆智能泵送至井下,实现固井全过程作业过程。
该设备主要用于油田固井作业的水泥浆自动混配和高压泵送,也可用于替浆、洗井、压裂和拌注酸化等流体泵汲作业,实现一机多用,配有全套的自动混浆系统、自动离心泵循环及灌注系统、自动供水、供灰和化添等功能,可以满足自动连续自动混配作业,整车管线简捷,布局合理,结构紧凑,整车清洗非常方便,用水量少,自动混浆装置电脑操作简单易学,密度设定和自动及手动切换方便,自动控制灵敏准确。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (8)

1.一种全自动固井成套控制的方法,包括智能全自动固井关键控制、配套控制、自动动力控制系统、混浆控制系统、自动预混功能、液位自动控制、管汇自动控制、液压气路控制系统、供灰自动控制系统、化添自动控制系统、供水自动控制系统和井控装置自动控制系统。
2.根据权利要求1所述的一种全自动固井成套控制的方法,其特征在于:
所述智能全自动固井关键控制主要包含有蝶阀远程及自动控制、动力远程及自动控制、混合远程及自动控制、辅助功能、密度自动控制、液位自动控制、排量自动控制和管汇自动控制。
3.根据权利要求1所述的一种全自动固井成套控制的方法,其特征在于:
所述配套控制主要包含有设备仪表控制系统、设备化添自动控制系统、供水自动控制系统、供灰自动控制系统和井控装置自动控制系统。
4.根据权利要求1所述的一种全自动固井成套控制的方法,其特征在于:
所述自动动力控制系统主要包括有发动机、变速箱、传动轴、支撑底座、进气系统、排气系统、冷却系统和燃油系统。
5.根据权利要求1所述的一种全自动固井成套控制的方法,其特征在于:
所述混浆控制系统主要包括有混浆罐、计量罐、低压管汇、高能混合器和搅拌器。
6.根据权利要求1所述的一种全自动固井成套控制的方法,其特征在于:
所述液压气路控制系统主要包括有液压泵、液压马达、液压油箱、液压阀件、润滑齿轮泵、干燥器和气瓶。
7.根据权利要求1所述的一种全自动固井成套控制的方法,其特征在于:
所述供灰自动控制系统主要包括有空压机、立式灰罐、气路系统、管路系统和液压系统。
8.根据权利要求1所述的一种全自动固井成套控制的方法,其特征在于:
所述化添自动控制系统主要包括有独立化添罐、气路系统远程控制和参数监控。
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Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10895202B1 (en) 2019-09-13 2021-01-19 Bj Energy Solutions, Llc Direct drive unit removal system and associated methods
US10907459B1 (en) 2019-09-13 2021-02-02 Bj Energy Solutions, Llc Methods and systems for operating a fleet of pumps
US10954770B1 (en) 2020-06-09 2021-03-23 Bj Energy Solutions, Llc Systems and methods for exchanging fracturing components of a hydraulic fracturing unit
US10961908B1 (en) 2020-06-05 2021-03-30 Bj Energy Solutions, Llc Systems and methods to enhance intake air flow to a gas turbine engine of a hydraulic fracturing unit
US10968837B1 (en) 2020-05-14 2021-04-06 Bj Energy Solutions, Llc Systems and methods utilizing turbine compressor discharge for hydrostatic manifold purge
US10989180B2 (en) 2019-09-13 2021-04-27 Bj Energy Solutions, Llc Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US11002189B2 (en) 2019-09-13 2021-05-11 Bj Energy Solutions, Llc Mobile gas turbine inlet air conditioning system and associated methods
US11015594B2 (en) 2019-09-13 2021-05-25 Bj Energy Solutions, Llc Systems and method for use of single mass flywheel alongside torsional vibration damper assembly for single acting reciprocating pump
US11015536B2 (en) 2019-09-13 2021-05-25 Bj Energy Solutions, Llc Methods and systems for supplying fuel to gas turbine engines
US11022526B1 (en) 2020-06-09 2021-06-01 Bj Energy Solutions, Llc Systems and methods for monitoring a condition of a fracturing component section of a hydraulic fracturing unit
US11028677B1 (en) 2020-06-22 2021-06-08 Bj Energy Solutions, Llc Stage profiles for operations of hydraulic systems and associated methods
US11066915B1 (en) 2020-06-09 2021-07-20 Bj Energy Solutions, Llc Methods for detection and mitigation of well screen out
US11109508B1 (en) 2020-06-05 2021-08-31 Bj Energy Solutions, Llc Enclosure assembly for enhanced cooling of direct drive unit and related methods
US11125066B1 (en) 2020-06-22 2021-09-21 Bj Energy Solutions, Llc Systems and methods to operate a dual-shaft gas turbine engine for hydraulic fracturing
US11149533B1 (en) 2020-06-24 2021-10-19 Bj Energy Solutions, Llc Systems to monitor, detect, and/or intervene relative to cavitation and pulsation events during a hydraulic fracturing operation
US11193360B1 (en) 2020-07-17 2021-12-07 Bj Energy Solutions, Llc Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations
US11208953B1 (en) 2020-06-05 2021-12-28 Bj Energy Solutions, Llc Systems and methods to enhance intake air flow to a gas turbine engine of a hydraulic fracturing unit
US11208880B2 (en) 2020-05-28 2021-12-28 Bj Energy Solutions, Llc Bi-fuel reciprocating engine to power direct drive turbine fracturing pumps onboard auxiliary systems and related methods
US11220895B1 (en) 2020-06-24 2022-01-11 Bj Energy Solutions, Llc Automated diagnostics of electronic instrumentation in a system for fracturing a well and associated methods
US11236739B2 (en) 2019-09-13 2022-02-01 Bj Energy Solutions, Llc Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods
US11268346B2 (en) 2019-09-13 2022-03-08 Bj Energy Solutions, Llc Fuel, communications, and power connection systems
US11408794B2 (en) 2019-09-13 2022-08-09 Bj Energy Solutions, Llc Fuel, communications, and power connection systems and related methods
US11415125B2 (en) 2020-06-23 2022-08-16 Bj Energy Solutions, Llc Systems for utilization of a hydraulic fracturing unit profile to operate hydraulic fracturing units
US11428165B2 (en) 2020-05-15 2022-08-30 Bj Energy Solutions, Llc Onboard heater of auxiliary systems using exhaust gases and associated methods
US11473413B2 (en) 2020-06-23 2022-10-18 Bj Energy Solutions, Llc Systems and methods to autonomously operate hydraulic fracturing units
US11560845B2 (en) 2019-05-15 2023-01-24 Bj Energy Solutions, Llc Mobile gas turbine inlet air conditioning system and associated methods
US11624326B2 (en) 2017-05-21 2023-04-11 Bj Energy Solutions, Llc Methods and systems for supplying fuel to gas turbine engines
US11635074B2 (en) 2020-05-12 2023-04-25 Bj Energy Solutions, Llc Cover for fluid systems and related methods
US11639654B2 (en) 2021-05-24 2023-05-02 Bj Energy Solutions, Llc Hydraulic fracturing pumps to enhance flow of fracturing fluid into wellheads and related methods
US11867118B2 (en) 2019-09-13 2024-01-09 Bj Energy Solutions, Llc Methods and systems for supplying fuel to gas turbine engines
US11933153B2 (en) 2020-06-22 2024-03-19 Bj Energy Solutions, Llc Systems and methods to operate hydraulic fracturing units using automatic flow rate and/or pressure control
US11939853B2 (en) 2020-06-22 2024-03-26 Bj Energy Solutions, Llc Systems and methods providing a configurable staged rate increase function to operate hydraulic fracturing units

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016010525A1 (en) * 2014-07-15 2016-01-21 Halliburton Energy Services, Inc. Metal-organic frameworks as porous proppants
CN107605427A (zh) * 2017-10-27 2018-01-19 烟台杰瑞石油装备技术有限公司 一种远程自动排量与密度自动控制系统
CN107656499A (zh) * 2017-10-27 2018-02-02 烟台杰瑞石油装备技术有限公司 一种远程自动供灰控制系统
CN107728657A (zh) * 2017-10-27 2018-02-23 烟台杰瑞石油装备技术有限公司 一种远程自动上水控制系统
CN108561098A (zh) * 2018-04-16 2018-09-21 烟台杰瑞石油装备技术有限公司 一种集远程控制新型超大功率固井设备
CN108789848A (zh) * 2018-07-06 2018-11-13 烟台杰瑞石油装备技术有限公司 一种远程控制的预混系统
CN208330319U (zh) * 2018-04-28 2019-01-04 烟台杰瑞石油装备技术有限公司 一种二氧化碳增压泵车
CN208576026U (zh) * 2018-05-07 2019-03-05 烟台杰瑞石油装备技术有限公司 一种高效固井作业的混合系统

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016010525A1 (en) * 2014-07-15 2016-01-21 Halliburton Energy Services, Inc. Metal-organic frameworks as porous proppants
CN107605427A (zh) * 2017-10-27 2018-01-19 烟台杰瑞石油装备技术有限公司 一种远程自动排量与密度自动控制系统
CN107656499A (zh) * 2017-10-27 2018-02-02 烟台杰瑞石油装备技术有限公司 一种远程自动供灰控制系统
CN107728657A (zh) * 2017-10-27 2018-02-23 烟台杰瑞石油装备技术有限公司 一种远程自动上水控制系统
CN108561098A (zh) * 2018-04-16 2018-09-21 烟台杰瑞石油装备技术有限公司 一种集远程控制新型超大功率固井设备
CN208330319U (zh) * 2018-04-28 2019-01-04 烟台杰瑞石油装备技术有限公司 一种二氧化碳增压泵车
CN208576026U (zh) * 2018-05-07 2019-03-05 烟台杰瑞石油装备技术有限公司 一种高效固井作业的混合系统
CN108789848A (zh) * 2018-07-06 2018-11-13 烟台杰瑞石油装备技术有限公司 一种远程控制的预混系统

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US11560845B2 (en) 2019-05-15 2023-01-24 Bj Energy Solutions, Llc Mobile gas turbine inlet air conditioning system and associated methods
US11604113B2 (en) 2019-09-13 2023-03-14 Bj Energy Solutions, Llc Fuel, communications, and power connection systems and related methods
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US11280266B2 (en) 2019-09-13 2022-03-22 Bj Energy Solutions, Llc Mobile gas turbine inlet air conditioning system and associated methods
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US11220895B1 (en) 2020-06-24 2022-01-11 Bj Energy Solutions, Llc Automated diagnostics of electronic instrumentation in a system for fracturing a well and associated methods
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US11542802B2 (en) 2020-06-24 2023-01-03 Bj Energy Solutions, Llc Hydraulic fracturing control assembly to detect pump cavitation or pulsation
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US11920450B2 (en) 2020-07-17 2024-03-05 Bj Energy Solutions, Llc Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations
US11255175B1 (en) 2020-07-17 2022-02-22 Bj Energy Solutions, Llc Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations
US11608727B2 (en) 2020-07-17 2023-03-21 Bj Energy Solutions, Llc Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations
US11193361B1 (en) 2020-07-17 2021-12-07 Bj Energy Solutions, Llc Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations
US11193360B1 (en) 2020-07-17 2021-12-07 Bj Energy Solutions, Llc Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations
US11603744B2 (en) 2020-07-17 2023-03-14 Bj Energy Solutions, Llc Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations
US11365615B2 (en) 2020-07-17 2022-06-21 Bj Energy Solutions, Llc Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations
US11639654B2 (en) 2021-05-24 2023-05-02 Bj Energy Solutions, Llc Hydraulic fracturing pumps to enhance flow of fracturing fluid into wellheads and related methods
US11732563B2 (en) 2021-05-24 2023-08-22 Bj Energy Solutions, Llc Hydraulic fracturing pumps to enhance flow of fracturing fluid into wellheads and related methods
US11867045B2 (en) 2021-05-24 2024-01-09 Bj Energy Solutions, Llc Hydraulic fracturing pumps to enhance flow of fracturing fluid into wellheads and related methods

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Application publication date: 20190823