CN103459765B - 钻孔金属构件结合系统及其方法 - Google Patents
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- 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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Abstract
一种钻孔金属构件结合系统,包括第一金属构件、邻近所述第一金属构件的第二金属构件、以及邻近所述第一金属构件和所述第二金属构件布置的烟火合成物,在所述烟火合成物、第一金属构件、第二金属构件处于钻孔中的情况下,该烟火合成物配置成进行随后的放热反应而将所述第一金属构件结合至所述第二金属构件。
Description
相关申请的交叉引用
本专利申请要求2011年4月7日提交的申请号为13/082033的美国专利申请的权益,通过整体引用方式将该美国专利申请并入本文。
背景技术
在例如烃回收和二氧化碳封存的行业中,诸如那些在地层中形成钻孔所用管件系统的操作人员通常需要在两个管件位于一个钻孔内时将一个管件结构性地连接于另一个管件。在这种情况下将管件相对于彼此密封也往往是需要的。对于这种情况,已经开发了采用卡瓦将一个管件相对于另一个管件固定以及采用弹性密封件将一个管件密封至另一个管件的系统,例如悬挂器和封隔器。尽管这些常规的封隔器如预期的一样发挥其作用并运行良好,但行业总是善于接受可以降低操作成本、生产成本,并提高其提供的附着和密封的耐久性的新系统。
发明内容
本申请公开了钻孔金属构件结合系统。该系统包括第一金属构件、邻近所述第一金属构件的第二金属构件、以及邻近所述第一金属构件和所述第二金属构件布置的烟火合成物,在所述烟火合成物、第一金属构件、第二金属构件处于钻孔中的情况下,该烟火合成物配置成进行随后的放热反应而将所述第一金属构件结合至所述第二金属构件。
本申请进一步公开了在钻孔内使金属构件结合的方法。该方法包括:将至少两个金属构件彼此邻近地定位在钻孔内;将烟火合成物邻近所述至少两个金属构件定位;使所述烟火合成物发生放热反应;以及将所述至少两个金属构件彼此结合在一起。
附图说明
下面的描述不应当被认为以任何方式进行限制。参照附图,相同的元件标号相同:
图1描述了本申请公开的钻孔金属构件结合系统在进行放热反应之前的截面图;以及
图2描述了图1的钻孔金属构件结合系统在已经发生了放热反应之后的截面图。
具体实施方式
此处通过例示并参考附图而提供了所公开的装置和方法的一个或更多个实施方式的详细说明,但本发明不受附图所示内容的限制。
参照图1和图2,本申请所公开的钻孔金属构件结合系统的一个实施方式被标注为10。结合系统10包括第一金属构件14(其在此例示为第一管件);以及第二金属构件18(其在此例示为相对于第一管件14径向放置的第二管件)。烟火合成物22邻近所述第一管件14和所述第二管件18布置,在该实施方式中所述烟火合成物布置于在所述第一管件14和所述第二管件18之间限定的环状空间26内。所述烟火合成物22被配置为发生放热反应,从而释放足够的热量,使得所述第一管件14结合至所述第二管件。这种结合可以是通过熔焊或钎焊进行。如果采用熔焊,第一管件14和第二管件18的母体材料以聚结的方式被熔化并熔融。如果采用钎焊,烟火合成物22的一部分结合至第一管件14和第二管件18两者,而不引起第一管件14和第二管件18的熔化。第一管件14和第二管件18的结合导致以下情况发生其一或两者都发生:使第一管件14在结构上附着于第二管件18以及密封地结合于第二管件18。
结合系统10被配置为在处于地层34中的钻孔30中时起作用,例如其通常用于烃回收和二氧化碳封存的领域中。在本申请公开的实施方式中选用烟火合成物22的原因是因为其不需要来自外部来源的氧气,对于钻孔应用来说,由于钻井流体38的存在,因此在钻孔30内通常可获得有限的氧气(如果有的话)。因此,组成烟火合成物22的物质或物质的混合物旨在产生热量,这是不依靠来自外部来源的氧气来维持反应的非爆炸自维持的放热化学反应的结果。可使用热熔剂或类似热熔剂的合成物来作为烟火合成物22。这种烟火合成物22包括,例如金属粉末(还原剂)以及产生已知为热熔反应的放热氧化还原反应的金属氧化物(氧化剂)。还原剂的选择例如包括铝、镁、钙、钛、锌、硅、硼以及包括上述至少一种的组合物,而氧化剂的选择例如包括氧化硼、氧化硅、氧化铬、氧化锰、氧化铁、氧化铜、氧化铅以及包括上述至少一种的组合物。可通过启动装置(未示出)开始烟火合成物22的放热反应,该启动装置例如可以通过电气的、化学的或其他手段来增加烟火合成物22的一部分的温度。
可能期望将烟火合成物22与钻孔流体38隔离至少直至放热反应已经开始。因此,图1和图2的实施方式将烟火合成物22容装在限定于所述第一管件14和套筒46之间的腔室42内。所述套筒46在第一端部50处与所述第一管件14密封地结合,并且通过可移动活塞54经由此处被显示为O型圈的多个密封件58与所述第一管件14可滑动密封地结合。活塞54与所述第一管件14的可滑动密封结合使得腔室42内部的压力与腔室42外部的压力相等,从而产生压力平衡装置62。在可选择的实施方式中,可以在没有压力平衡装置62的情况下密封腔室42,以与腔室42外部的压力无关地维持腔室42内部的大气压力。本申请公开的结合系统10可用来代替传统的封隔器和/或传统的悬挂器,所述传统的封隔器和/或传统的悬挂器采用用于固定的卡瓦以及用于将一个管件密封在另一个管件内部(例如将一个套管密封在另一个套管内部、将封隔器密封在套管内部、或将套管密封在衬管内部)的弹性构件。所述结合系统10还可以用来将各种工具,例如吊锚器结合至底部钻具组合,以消除例如对抓斗、长矛、打捞筒以及织带的需要。可代替地,所述结合系统10还可用作用于侧向钻的造斜器固定锚,或者用于在连接泄露部或其他钻孔处修复损坏的套管。
一个或更多个可熔插塞66可形成腔室42的一部分,以维持腔室42的密封完整性直至达到选定的温度。在选定的温度之上,所述一个或更多个可熔插塞66被损坏,并且烟火合成物22将自由从腔室42漏出并与第一管件14和第二管件18二者的壁70结合。在重力以及响应于腔室42内的放热反应而在该腔室内积聚的压力的协助下,烟火合成物22从所述腔室被驱出。一可选的力舍弃构件74(在该实施方式中作为爆破片示出)可被用作腔室42的压力释放装置。还可采用流动停止器78来维持烟火合成物22一旦从腔室42离开则处在相对于第一管件14和第二管件18二者的壁70的预定位置。所述流动停止器78例如可以是由陶瓷、聚合物、玻璃或金属,或其组合制成的。
另外,还可包括坩埚82来控制所述放热反应以及由所述放热反应所导致的升高的温度,以防止所述系统10的靠近所述烟火合成物22的部件过热,例如防止第一管件14、第二管件18以及套筒46过热。陶瓷由于其耐高温性可以是用于坩埚82中的可取材料。
尽管本申请公开的实施方式是针对同中心定向管件的结合,但应当理解的是本发明不限于这种结构,并且可考虑替代性实施方式。例如,位于各种配置中的金属构件可以结合在一起,只要所述金属构件足够靠近所述烟火合成物22,以便在放热反应后进行结合。
虽然已经参照一个或多个示例性实施方式描述了本发明,但是本领域技术人员应当理解,在不脱离本发明的范围的情况下,可以对本发明进行各种修改并可用等同物代替本发明的元件。另外,在不脱离本发明的实质范围的情况下,还可根据特定情况或本发明的说明的材料进行各种修改。因此,本发明的目的不限于本文公开的作为将执行本发明的最优方式的特定实施方式,而在于本发明将包括落在权利要求范围内的所有实施方式。同样地,在附图和说明书中已经公开了本发明的示例性实施方式,并且虽然已经采用了特定术语,但除非另有注明外,它们只用于一般性和描述性意义,而不是为了限制,因此本发明的范围不局限于此。而且,术语第一、第二等的使用不代表任何顺序或重要性,而仅用于区分一个元件与另一个元件。此外,术语一、一个等的使用也不代表数量的限制,而是代表有至少一个所引用的项。
Claims (18)
1.一种钻孔金属构件结合系统,包括:
第一金属构件;
邻近所述第一金属构件的第二金属构件;
烟火合成物,在所述烟火合成物、第一金属构件、第二金属构件处于钻孔中的情况下,该烟火合成物配置成进行随后的放热反应而将所述第一金属构件结合至所述第二金属构件;
靠近所述第一金属构件和第二金属构件布置的腔室,所述腔室设置成在所述烟火合成物处于钻孔中的情况下将烟火合成物在放热反应之前进行隔离;
其中,所述钻孔金属构件结合系统进一步包括有插塞,所述插塞可操作地与所述腔室相联,以在放热反应期间从腔室脱离,从而使得至少一部分的烟火合成物从所述腔室漏出。
2.根据权利要求1所述的钻孔金属构件结合系统,其中所述放热反应在所述第一金属构件和所述第二金属构件之间产生熔焊。
3.根据权利要求1所述的钻孔金属构件结合系统,其中所述烟火合成物将所述第一金属构件钎焊至所述第二金属构件。
4.根据权利要求1所述的钻孔金属构件结合系统,其中所述放热反应为氧化还原反应。
5.根据权利要求1所述的钻孔金属构件结合系统,其中所述烟火合成物包括从由以下材料构成的组中选取的还原剂:铝、镁、钙、钛、锌、硅、硼以及包括上述至少一种的组合物。
6.根据权利要求1所述的钻孔金属构件结合系统,其中所述烟火合成物包括从由以下材料构成的组中选取的氧化剂:氧化硼、氧化硅、氧化铬、氧化锰、氧化铁、氧化铜、氧化铅以及包含上述至少一种的组合物。
7.根据权利要求1所述的钻孔金属构件结合系统,其中所述烟火合成物为热熔剂。
8.根据权利要求1所述的钻孔金属构件结合系统,其中所述第一金属构件和所述第二金属构件中的至少一个为管件。
9.根据权利要求1所述的钻孔金属构件结合系统,其中所述第一金属构件和所述第二金属构件两者均为管件,且二者中的一者径向定位在另一者中。
10.根据权利要求1所述的钻孔金属构件结合系统,进一步包括配置在所述腔室处的压力释放装置。
11.根据权利要求1所述的钻孔金属构件结合系统,其中所述烟火合成物配置用来当将所述第一金属构件结合至所述第二金属构件时使得第一金属构件与第二金属构件相密封。
12.根据权利要求1所述的钻孔金属构件结合系统,进一步包括活塞以及至少一个密封件,所述活塞以及至少一个密封件配置为使得跨活塞的压力相等且密封所述腔室。
13.根据权利要求12所述的钻孔金属构件结合系统,其中所述烟火合成物配置用来当将所述第一金属构件结合至所述第二金属构件时使得第一金属构件与第二金属构件相密封。
14.一种利用权利要求1-13之一所述的钻孔金属构件结合系统而在钻孔内使金属构件结合的方法,包括:
将至少两个金属构件在钻孔内彼此邻近地定位;
邻近所述至少两个金属构件布置烟火合成物;
在所述烟火合成物在所述钻孔内的情况下,使所述烟火合成物在一腔室内进行放热反应;以及
将所述至少两个金属构件彼此结合在一起。
15.根据权利要求14所述的在钻孔内使金属构件结合的方法,进一步包括将所述至少两个金属构件其中之一在所述至少两个金属构件中的另一个中径向定位。
16.根据权利要求14所述的在钻孔内使金属构件结合的方法,进一步包括将所述至少两个金属构件彼此钎焊在一起。
17.根据权利要求14所述的在钻孔内使金属构件结合的方法,进一步包括将所述至少两个金属构件彼此熔焊在一起。
18.根据权利要求14所述的在钻孔内使金属构件结合的方法,进一步包括将所述至少两个金属构件相对于彼此密封。
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US13/082,033 US8662169B2 (en) | 2011-04-07 | 2011-04-07 | Borehole metal member bonding system and method |
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PCT/US2012/031416 WO2012138556A2 (en) | 2011-04-07 | 2012-03-30 | Borehole metal member bonding system and method |
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GB2504854A (en) | 2014-02-12 |
DK201300523A (en) | 2013-09-13 |
US8662169B2 (en) | 2014-03-04 |
BR112013025899B1 (pt) | 2020-12-15 |
AU2012240467B2 (en) | 2016-07-14 |
GB201314557D0 (en) | 2013-09-25 |
NO20131130A1 (no) | 2013-11-05 |
NO345411B1 (no) | 2021-01-18 |
CN103459765A (zh) | 2013-12-18 |
BR112013025899A2 (pt) | 2016-12-20 |
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