CN107476769A - 一种全液压智能修井机 - Google Patents
一种全液压智能修井机 Download PDFInfo
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- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
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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
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- E—FIXED CONSTRUCTIONS
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Abstract
本发明属于石油设备领域，具体涉及一种全液压智能修井机，其特征是：所述的发动机2和液压站5安装在底盘车1上，当运输状态时自动翻折走道收起，井口装置固定在底盘车的尾部，液压修井机移运到井场后，通过驾驶室内的倒车影像和定位测距对井口进行初步定位，随后通过井架移动快速定位装置准确定位，通过液压调节支腿对载车底盘的高度调解和支撑，并机械锁定，本发明实现了井口快速定位和锁定；设计了自动翻折走道，安装便捷省力；能够自动实现井内管柱压力的上提和下压及钻压和钻速参数的设定和控制；实现了油管柱的抓管和送管、自动上卸扣、自动排放、自动检测等全程的自动化操作；实现了防喷器的一体化运输，无需单独拆卸运输。
Description
技术领域
本发明属于石油设备领域，具体涉及一种全液压智能修井机，具体地说是一种根据井内压力的不同，满足油管柱的上提下压，智能调解修井作业的管柱钻压和转速，防止井内环空和油管柱内的液体喷泄，同时实现井场内油管柱的自动化移管排管上卸扣功能，并且集成防喷器运输，走道自动折叠功能，属于石油装备技术领域。
背景技术
在传统的油田修井作业中，修井机全是通过绞车提升游吊系统来实现油管柱的起、下作业，无法实现油管柱对井内下压功能，即修井机没有对井内自动注入的下压力，无法克服井内流体对油管柱的顶升力，更无法实现自动对井内管柱内的防喷与放喷。还有一个重要的问题，油田现场修井作业需要配置几个工人从事排管、移管等井口作业工作，以及作业前的走道安装、防喷器安装等工作，井口恶劣的工作环境，危险性极高，为了减少作业人员，降低油田修井作业成本，提高修井效率，实现修井机的自动化和智能化，设计开发了一种全液压智能修井机。
发明内容
一种全液压智能修井机，其特征是：所述的发动机2和液压站5安装在底盘车1上，当运输状态时自动翻折走道收起，井口装置固定在底盘车的尾部，液压修井机移运到井场后，通过驾驶室内的倒车影像和定位测距对井口进行初步定位，同时通过液压调节支腿对载车底盘的高度调解和支撑，并机械锁定。
一种全液压智能修井机，其特征是：所述的全液压智能修井机定位后，通过控制系统，操作智能修井机自动翻折维护走道，通过翻转液缸总成，翻转拉杆总成等对护栏总成，走道总成进行展开至工作状态。
一种全液压智能修井机，其特征是：通过井架移动快速定位装置调整变幅井架前后或左右方向的位置，确保井口装置中的防喷器组中心与井口中心对正，此时调整升降调节装置，使井口装置安装到井口上，实现修井作业前的准备工作。
一种全液压智能修井机，其特征是：发动机驱动起升油缸起升井架，起升到位后，调整井架支撑座固定支撑井架。
一种全液压智能修井机，其特征是：所述的镶嵌在全液压智能修井机变幅井架下段内的液压缸，通过缸套顶升天车的导向滑轮组，导向滑轮组绳槽内的导向钢丝绳一头固定在变幅井架的下段，另外一头通过天车的导向滑轮固定在顶驱上，实现油缸顶升时对顶驱的提升，顶驱的提升速度和行程是液压缸的2倍，安装在顶驱下另一钢丝绳一端固定在顶驱下部，另外一端通过变幅井架内游动井架上的滑轮导向，固定在变幅井架的下段，实现油缸收缩时对顶驱的下压，顶驱的下压速度和行程是液压缸的2倍。通过集成的司钻智能控制，实现对顶驱的上提和下压的参数设定和控制。
一种全液压智能修井机，其特征是：所述的悬挂在全液压智能修井机变幅井架上的修井顶驱的应用，同时，修井顶驱中心管内的内防喷器可以对油管柱内的流体压力防喷，旋转头连接的高压水龙带能够在边作业边循环的情况下，实现对油管柱内压力的放喷(溢流)，能够实时检测和控制油管内流体的压力，也可通过司钻控制程序实现对设定压力参数的控制和自动放喷。
一种全液压智能修井机，其特征是：所述的全液压智能修井机油管接送与排放装置，排管架端头的升降液压缸的伸缩，使得排管架前高后低，油管在重力作用下自动滚到油管检测维护装置侧，通过翻转机构的翻转把油管自动翻转到油管检测维护装置中，通过油管检测维护装置对油管进行无磁探测，同时对油管两侧的丝扣进行护理和涂抹润滑脂，通过计算机对检测的数据比较和计算，若油管不达标则被翻转机构排放到猫道的另一侧钻杆架上，满足达标要求的油管通过翻转臂上的接送抓手抓取，翻转臂翻转90°后，接送抓手抓取的油管竖立起来送给变幅井架侧边的抓管机构,油管接交给抓管机构，由抓管机构把单根油管送到井眼中心线上，以便和顶驱中心管对接，然后集成在井口装置上的油管钳进行井口上扣作业。
优点和积极效果
本发明实现了井口快速定位和锁定；设计了自动翻折走道，安装便捷省力；能够自动实现井内管柱压力的上提和下压及钻压和钻速参数的设定和控制；实现了油管柱的抓管和送管、自动上卸扣、自动排放、自动检测等全程的自动化操作；实现了防喷器的一体化运输，无需单独拆卸运输。
本发明全自动液压驱动井架起升前的准备工作：井口定位、液压调节支腿对载车底盘的高度调解和支撑，并机械锁定，走道安装，井架起升后液压控制自动固定井架，所有过程无需人手工并辅助以吊车进行作业，省时、省力、安全性大幅度地提高。然后通过油缸(单油缸或多油缸)倍增行程的井架变幅机构，实现了对油管柱上提下压。顶驱修井的应用，解决了井内管柱内流体的检测和控制；油管柱自动排送装置实现了自动排管和送管、油管质量检测、丝扣维护和护理的集成设计，和一条龙服务。
附图及说明
图1为修井机移运状态结构示意图；
图2为修井机工作状态示意图；
图3为修井机井口结构示意图；
图4为修井机自动翻折走道示意图；
图5为油管接送与排放装置结构示意图。
图中标记：1-底盘车，2-发动机，3-自动翻折走道，4-液压调节支腿， 5-液压站，7-变幅井架，8-井口装置，9-修井顶驱，10-抓管机构，11-高压管汇，12-导向钢丝绳，13-天车，14-旋转液压提升小绞车，16-油管柱自动排送装置,17-井架移动快速定位装置,18-起升液缸，19-井架支撑座，3-1. 护栏总成，3-2.走道总成，3-3.翻转拉杆总成，3-4翻转液缸总成，8-1升降调节装置，8-2自动卡瓦，8-3防喷器，8-4四通，8-5油管钳，16-1翻转臂， 16-2、接送抓手，16-3、翻转机构，16-4、油管检测维护装置，16-5、排管架，16-6、排管架液缸。
具体实施方式
下面结合附图，对本发明做详细的说明。
一种全自动智能修井机，包括1-底盘车，2-发动机，3-自动翻折走道， 4-液压调节支腿，5-液压站，7-变幅井架，8-井口装置，9-修井顶驱，10- 抓管机构，11-高压管汇，12-导向钢丝绳，13-天车，14-旋转液压提升小绞车，16-油管柱自动排送装置,17-井架移动快速定位装置,18-起升液缸，19- 井架支撑座，3-1.护栏总成，3-2.走道总成，3-3.翻转拉杆总成，3-4翻转液缸总成，8-1升降调节装置，8-2自动卡瓦、8-3防喷器，8-4四通，8-5 油管钳，16-1翻转臂，16-2、接送抓手，16-3、翻转机构，16-4、油管检测维护装置，16-5、排管架，16-6、排管架液缸。
所述的发动机2和液压站5安装在底盘车1上，为智能修井机提供液压动力，当运输状态时3-自动翻折走道收起如图1所示，8-井口装置固定在底盘车1尾部。液压修井机移运到井场后，通过驾驶室内的倒车影像和定位测距对井口进行初步定位，同时通过液压调节支腿4对载车底盘的高度调解和支撑，并机械锁定。
所述的全液压智能修井机定位后，通过控制系统，操作智能修井机自动翻折维护走道3，通过翻转液缸总成3-4，翻转拉杆总成3-3等对护栏总成3-1，走道总成3-2进行展开至工作状态，安装和拆卸无需人手工辅助以吊车进行作业，省时、省力、安全性大幅度提高。
然后，通过井架移动快速定位装置17调整变幅井架7前后或左右方向的位置，确保井口装置8中的防喷器组8-3中心与井口中心对正。此时调整升降调节装置8-1，使井口装置8安装到井口上，实现修井作业前的准备工作。其中，井口装置8包括8-1升降调节装置，8-2自动卡瓦、8-3防喷器，8-4 四通，8-5油管钳。
然后发动机2驱动起升油缸18起升井架7，起升到位后，调整19- 井架支撑座固定支撑井架7.
所述的镶嵌在全液压智能修井机变幅井架7下段内的液压缸，通过缸套顶升天车13的导向滑轮组，导向滑轮组绳槽内的导向钢丝绳12一头固定在变幅井架的下段，另外一头通过天车13的导向滑轮固定在顶驱9上，实现油缸顶升时对顶驱9的提升，顶驱9的提升速度和行程是液压缸的2倍。安装在顶驱9下另一钢丝绳一端固定在顶驱9下部，另外一端通过变幅井架内游动井架上的滑轮导向，固定在变幅井架的下段，实现油缸收缩时对顶驱9 的下压，顶驱的下压速度和行程是液压缸的2倍。通过集成的司钻智能控制，实现对顶驱的上提和下压的参数设定和控制。
所述的悬挂在全液压智能修井机变幅井架上的修井顶驱9的应用，实现修井机的起下钻、钻进作业。同时，修井顶驱中心管内的内防喷器可以对油管柱内的流体压力防喷，旋转头连接的高压水龙带能够在边作业边循环的情况下，实现对油管柱内压力的放喷(溢流)。能够实时检测和控制油管内流体的压力，也可通过司钻控制程序实现对设定压力参数的控制和自动放喷。修井顶驱的背钳能够实现对接单根油管的上卸扣功能。
所述的全液压智能修井机油管柱自动排放装置16，排管架16-5端头的升降液压缸16-6的顶伸，使得排管架16-5前高后低，油管在重力作用下自动滚到16-4油管检测维护装置侧，通过翻转机构16-3的翻转把油管自动翻转到16-4油管检测维护装置中，通过16-4油管检测维护装置对油管进行无磁探测，同时对油管两侧的丝扣进行护理和涂抹润滑脂，通过计算机对检测的数据比较和计算，若油管不达标则被翻转机构16-3排放到猫道的另一侧钻杆架16-5上，满足达标要求的油管通过翻转臂16-1上的接送抓手16-2抓取，翻转臂16-1翻转90°后，接送抓手16-2抓取的油管竖立起来送给变幅井架 7侧边的抓管机构10,油管接交给抓管机构10，由抓管机构10把单根油管送到井眼中心线上，以便和顶驱9中心管对接，然后集成在井口装置8上的8-5 油管钳进行井口上扣作业。
甩单根油管是此过程的逆过程。
综上所述，本发明能够实现井口的快速定位，减少安装调整时间，实现走道安装和拆卸的自动化，无需人工手动搬运和安装及拆卸；实现修井机作业过程中对油管柱的上提与下压及井内压力的防喷和放喷及自动化检查与控制；实现井场作业过程对油管柱的甩、排、送、检测等操作的自动化和智能化，无需人员手工操作；实现防喷器的一体化运输，无需单独拆卸和运输。
Claims (7)
1.一种全液压智能修井机，其特征是：所述的发动机2和液压站5安装在底盘车1上，当运输状态时自动翻折走道收起，井口装置固定在底盘车的尾部，液压修井机移运到井场后，通过驾驶室内的倒车影像和定位测距对井口进行初步定位，井架移动快速定位装置的准确定位，同时通过液压调节支腿对载车底盘的高度调解和支撑，并机械锁定。
2.根据权利要求1所述的一种全液压智能修井机，其特征是：所述的全液压智能修井机定位后，通过控制系统，操作智能修井机自动翻折维护走道，通过翻转液缸总成，翻转拉杆总成等对护栏总成，走道总成进行展开至工作状态。
3.根据权利要求1所述的一种全液压智能修井机，其特征是：通过井架移动快速定位装置调整变幅井架前后或左右方向的位置，确保井口装置中的防喷器组中心与井口中心对正，此时调整升降调节装置，使井口装置安装到井口上，实现修井作业前的准备工作。
4.根据权利要求1所述的一种全液压智能修井机，其特征是：发动机驱动起升油缸起升井架，起升到位后，调整井架支撑座固定支撑井架。
5.根据权利要求1所述的一种全液压智能修井机，其特征是：所述的镶嵌在全液压智能修井机变幅井架下段内的液压缸，通过缸套顶升天车的导向滑轮组，导向滑轮组绳槽内的导向钢丝绳一头固定在变幅井架的下段，另外一头通过天车的导向滑轮固定在顶驱上，实现油缸顶升时对顶驱的提升，顶驱的提升速度和行程是液压缸的2倍，安装在顶驱下另一钢丝绳一端固定在顶驱下部，另外一端通过变幅井架内游动井架上的滑轮导向，固定在变幅井架的下段，实现油缸收缩时对顶驱的下压，顶驱的下压速度和行程是液压缸的2倍。通过集成的司钻智能控制，实现对顶驱的上提和下压的参数设定和控制。
6.根据权利要求1所述的一种全液压智能修井机，其特征是：所述的悬挂在全液压智能修井机变幅井架上的修井顶驱的应用，同时，修井顶驱中心管内的内防喷器可以对油管柱内的流体压力防喷，旋转头连接的高压水龙带能够在边作业边循环的情况下，实现对油管柱内压力的放喷(溢流)，能够实时检测和控制油管内流体的压力，也可通过司钻控制程序实现对设定压力参数的控制和自动放喷。
7.根据权利要求1所述的一种全液压智能修井机，其特征是：所述的全液压智能修井机油管接送与排放装置，排管架端头的升降液压缸的伸缩，使得排管架前高后低，油管在重力作用下自动滚到油管检测维护装置侧，通过翻转机构的翻转把油管自动翻转到油管检测维护装置中，通过油管检测维护装置对油管进行无磁探测，同时对油管两侧的丝扣进行护理和涂抹润滑脂，通过计算机对检测的数据比较和计算，若油管不达标则被翻转机构排放到猫道的另一侧钻杆架上，满足达标要求的油管通过翻转臂上的接送抓手抓取，翻转臂翻转90°后，接送抓手抓取的油管竖立起来送给变幅井架侧边的抓管机构,油管接交给抓管机构，由抓管机构把单根油管送到井眼中心线上，以便和顶驱中心管对接，然后集成在井口装置上的油管钳进行井口上扣作业。
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