CN110284854A - 一种液压系统互为备用的固井设备 - Google Patents
一种液压系统互为备用的固井设备 Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
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Abstract
本发明公开了一种液压系统互为备用的固井设备，包括：装载系统，连接所述装载系统的液压系统，以及驱动所述液压系统的动力系统，所述液压系统至少包括液压泵、切换装置、溢流阀；所述液压系统连接混合系统，所述液压系统连接配有AMS自动混浆系统、离心泵循环及灌注系统的混浆系统；所述混浆系统通过操控系统进行操控调节，所述操控系统设置在电脑操控平台上，所述操控平台设置在装载系统上；所述装载系统基于车载底盘或拖挂底盘或橇装底盘中的一种或多中形式，其中基于拖挂底盘的半挂车能够固定连接多个发动机、多个变速箱、多个柱塞泵、至少一个计量罐、混浆系统、高低压管汇、操控系统、液压系统以及电气系统。
Description
技术领域
本发明涉及石油装备领域，尤其涉及一种液压系统互为备用的固井设备。
背景技术
随着固井设备在国内外井场作业中应用越来越广泛，固井作业质量，人员安全、设备安全、作业安全理念越来越突出，客户对于设备质量和设备可靠性提出更加严格的要求。而常规的固井设备一般是通过低压管汇的原理设计实现离心泵的互为备用。但是这种方式无法实现双泵固井设备的完全备用，所以一般的固井作业都需要两台固井设备，一用一备，作业成本比较高，且浪费人力资源。
目前的常规双泵固井设备多样，如2套动力单元+2个柱塞泵+2个清水离心泵+2个泥浆离心泵的设备中，A侧发动机液压系统分别带动1个清水离心泵和1个泥浆离心泵，B侧发动机液压系统分别带动另1个清水离心泵和另1个泥浆离心泵；液压系统不互为备用，当A侧发动机发动机损坏，同时B侧的任意1个离心泵损坏时，设备无法作业；同理，当B侧发动机发动机损坏，同时A侧的任意1个离心泵损坏时，设备也无法作业。
发明内容
本发明克服了现有技术的不足，提供一种液压系统互为备用的固井设备，提高设备可靠性和安全性，从而解决固井作业一般需要两台固井设备一用一备的现状，仅使用1台液压系统互为备用的双泵固井设备作业即可，节省人力和物料成本。
为达到上述目的，本发明采用的技术方案为：一种液压系统互为备用的固井设备，包括：装载系统，连接所述装载系统的液压系统，以及驱动所述液压系统的动力系统，其特征在于，所述液压系统至少包括液压泵、切换装置、溢流阀，所述动力系统通过发动机驱动变速箱，进而驱动柱塞泵系统进行泵送作业；所述液压系统连接接配有AMS自动混浆系统、离心泵循环及灌注系统的混合系统；
所述混浆系统通过操控系统进行操控调节，所述操控系统设置在电脑操控平台上，所述操控平台设置在装载系统上；
所述装载系统基于车载底盘或拖挂底盘或橇装底盘中的一种或多中形式，其中基于拖挂底盘的半挂车能够固定连接多个发动机、多个变速箱、多个柱塞泵、至少一个计量罐、混浆系统、高低压管汇、操控系统、液压系统以及电气系统。
本发明一个较佳实施例中，基于所述切换装置，两侧所述发动机均能够驱动各自一侧的液压系统，或能够驱动除自身所在一侧的其它侧的液压系统。
本发明一个较佳实施例中，至少两个所述发动机分别连接在半挂车两侧，所述半挂车两侧为A/B两侧，每一所述发动机均连接一切换装置，每一所述发动机均驱动一变速箱，每一所述变速箱均驱动一柱塞泵。
本发明一个较佳实施例中，所述液压系统能够驱动混浆系统进行水泥浆混配、高压泵送、替浆以及洗井作业。
本发明一个较佳实施例中，A侧所述变速箱上取力驱动A侧清水离心泵和A侧泥浆离心泵，侧取力驱动下灰和搅拌；B侧变速箱上取力驱动B侧清水离心泵和B侧泥浆离心泵，侧取力驱动下灰和搅拌。
本发明一个较佳实施例中，A侧所述变速箱上取力驱动B侧清水离心泵和B侧泥浆离心泵，B侧变速箱上取力驱动A侧清水离心泵和A侧泥浆离心泵。
本发明一个较佳实施例中，所述液压系统设置液压泵、换向阀、溢流阀，所述变速箱选型满足要求的法兰面连接的取力器、加长传动轴、以及连接转换泵座，进行设计计算，能够解决空间受限问题，将驱动柱塞泵润滑、搅拌下灰、泥浆离心泵的液压泵引出到变速箱尾部，避免干涉，最终实现液压系统互为备用功能。
本发明一个较佳实施例中，所述变速箱的法兰面连接取力器、加长传动轴、以及转换泵座。
本发明一个较佳实施例中，所述柱塞泵为三缸柱塞泵。
本发明解决了背景技术中存在的缺陷，本发明具备以下有益效果：
(1)本发明利用液压系统的互为备用技术，提高固井设备可靠性和安全性，从而解决固井作业一般需要两台固井设备一用一备的现状，仅使用1台液压系统互为备用的双泵固井设备作业即可，节省人力和物料成本。
(2)本发明中任一侧发动机和任意1个清水离心泵和任意1个泥浆离心泵可以工作，则设备就可以进行正常的固井作业，设备作业安全得到大大提升。
(3)本发明中固井作业仅使用一台该液压系统互为备用的双泵固井设备作业即可，节省一个备用固井设备，减少操作手的人力资源，节省另一台固井设备的运输费用，大大降低客户作业成本。
(4)本发明中固井设备应用液压系统备用后，设备容错率更高，设备可靠性得到有效提升。
(5)本发明能够实现多套动力单元分别驱动液压泵驱动同一个液压执行元件，实现设备左右液压元件至少有2套以上的动力驱动，如离心泵、搅拌器、下灰阀、清水阀、液压油缸等。
附图说明
下面结合附图和实施例对本发明进一步说明；
图1是本发明的优选实施例的整机结构示意图；
图2是本发明的优选实施例的原理示意图；
图中：底盘1；液压系统2；气路系统3；动力系统4；计量罐5；操作平台6；盘根润滑系统7；上灰管汇8；混合系统9；高压管汇10；泥浆管汇11；柱塞泵12；动力端润滑系统13；操控系统14；清水管汇15；电气系统16。
具体实施方式
现在结合附图和实施例对本发明作进一步详细的说明，这些附图均为简化的示意图，仅以示意方式说明本发明的基本结构，因此其仅显示与本发明有关的构成。
需要说明的是，当部件被称为“固定于”另一个部件，它可以直接在另一个部件上或者也可以存在居中的部件。当一个部件被认为是“连接”另一个部件，它可以是直接连接到另一个部件或者可能同时存在居中部件。本文所使用的术语“上”、“下”、“内”、“外”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。
如图1、图2所示，一种液压系统互为备用的固井设备，包括：装载系统，连接装载系统的液压系统2，以及驱动液压系统2的动力系统4，其特征在于，液压系统2至少包括液压泵、切换装置、溢流阀，动力系统4通过发动机驱动变速箱，进而驱动柱塞泵12系统进行泵送作业；液压系统2连接混合系统，液压系统2连接配有AMS自动混浆系统、离心泵循环及灌注系统的混浆系统；
混浆系统通过操控系统14进行操控调节，操控系统14设置在电脑操控平台上，操控平台设置在装载系统上；
装载系统基于车载底盘1或拖挂底盘1或橇装底盘1中的一种或多中形式，其中基于拖挂底盘1的半挂车能够固定连接多个发动机、多个变速箱、多个柱塞泵12、至少一个计量罐5、混浆系统、高低压管汇、操控系统14、液压系统2以及电气系统16。
该设备主要用于油田固井作业的水泥浆混配和高压泵送，也可用于替浆、洗井等流体泵汲作业。配有AMS自动混浆系统、离心泵循环及灌注系统，可以满足自动连续混配作业。作业时，由发动机驱动变速箱，进而驱动三缸柱塞泵12进行泵送作业。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、自动及手动切换方便，自动控制灵敏准确。整车长度短，重量轻，驾驶灵活。
双泵固井半挂车A/B两侧分别安装1个发动机驱动1个变速箱驱动柱塞泵12。A侧变速箱上取力驱动A侧清水离心泵和A侧泥浆离心泵，侧取力驱动下灰和搅拌；B侧变速箱上取力驱动B侧清水离心泵和B侧泥浆离心泵，侧取力驱动下灰和搅拌。通过对液压系统2原理图进行设计开发，可以实现A侧变速箱上取力驱动B侧清水离心泵和B侧泥浆离心泵，B侧变速箱上取力驱动A侧清水离心泵和A侧泥浆离心泵，实现液压系统2完全互为备用。
因液压系统2备用需要增加液压泵、换向阀、溢流阀等部件，为解决变速箱空间受限问题，需要进行设计计算，选型满足要求的法兰面连接的取力器、加长传动轴、以及连接转换泵座等组件，将驱动柱塞泵12润滑、搅拌下灰、泥浆离心泵的液压泵引出到变速箱尾部，避免干涉，最终实现液压系统2互为备用功能；
如图2所示为简单液压系统2互为备用示意图，如图中左、右两侧发动机分别驱动左、右侧变速箱从而分别带动1个灌注离心泵和1个循环离心泵。正常作业时，左侧发动机驱动液压泵Ⅰ带动液压马达Ⅰ从而带动循环离心泵工作，右侧发动机驱动液压泵Ⅱ带动液压马达Ⅱ从而带动灌注离心泵工作；而当左侧发动机出现异常时，可以通过切换装置切换到右侧发动机驱动液压泵Ⅱ带动液压马达Ⅰ从而带动循环离心泵；同理，而当右侧发动机出现异常时，可以通过切换装置切换到左侧发动机驱动液压泵Ⅰ带动液压马达Ⅱ从而带动灌注离心泵。以此实现液压系统2互为备用功能。
以上依据本发明的理想实施例为启示，通过上述的说明内容，相关人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定技术性范围。
Claims (10)
1.一种液压系统互为备用的固井设备，包括：装载系统，连接所述装载系统的液压系统，以及驱动所述液压系统的动力系统，其特征在于，所述液压系统至少包括液压泵、切换装置、溢流阀，所述动力系统通过发动机驱动变速箱，进而驱动柱塞泵系统进行泵送作业，所述液压系统连接接配有AMS自动混浆系统、离心泵循环及灌注系统的混合系统；
所述混浆系统通过操控系统进行操控调节，所述操控系统设置在电脑操控平台上，所述操控平台设置在装载系统上；
所述装载系统基于车载底盘或拖挂底盘或橇装底盘中的一种或多中形式，其中基于拖挂底盘的半挂车能够固定连接多个发动机、多个变速箱、多个柱塞泵、至少一个计量罐、混浆系统、高低压管汇、操控系统、液压系统以及电气系统。
2.根据权利要求1所述的一种液压系统互为备用的固井设备，其特征在于：基于所述切换装置，至少两个所述发动机分别连接在半挂车两侧，两侧所述发动机均能够驱动各自一侧的液压系统，或能够驱动除自身所在一侧的其它侧的液压系统。
3.根据权利要求1所述的一种液压系统互为备用的固井设备，其特征在于：所述半挂车两侧为A/B两侧，每一所述发动机均连接一切换装置，每一所述发动机均驱动一变速箱，每一所述变速箱均驱动一柱塞泵。
4.根据权利要求1所述的一种液压系统互为备用的固井设备，其特征在于：所述液压系统能够驱动混浆系统进行水泥浆混配、高压泵送、替浆以及洗井作业。
5.根据权利要求3所述的一种液压系统互为备用的固井设备，其特征在于：A侧所述变速箱上取力驱动A侧清水离心泵和A侧泥浆离心泵，侧取力驱动下灰和搅拌；B侧变速箱上取力驱动B侧清水离心泵和B侧泥浆离心泵，侧取力驱动下灰和搅拌。
6.根据权利要求3所述的一种液压系统互为备用的固井设备，其特征在于：A侧所述变速箱上取力驱动B侧清水离心泵和B侧泥浆离心泵，B侧变速箱上取力驱动A侧清水离心泵和A侧泥浆离心泵。
7.根据权利要求1所述的一种液压系统互为备用的固井设备，其特征在于：所述切换装置至少包括单向阀、换向阀。
8.根据权利要求1所述的一种液压系统互为备用的固井设备，其特征在于：所述变速箱的法兰面连接取力器、加长传动轴、以及转换泵座。
9.根据权利要求1所述的一种液压系统互为备用的固井设备，其特征在于：所述液压系统驱动柱塞泵润滑、搅拌下灰、泥浆离心泵的液压泵引出到所述变速箱的尾部。
10.根据权利要求1所述的一种液压系统互为备用的固井设备，其特征在于：所述柱塞泵为三缸柱塞泵。
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