公开(公告)号：WO2018075055A1

公开(公告)日：2018-04-26

申请号：PCT/US2016/058030

申请日：2016-10-21

Applicant: HALLIBURTON ENERGY SERVICES, INC.

Inventor： STRIBLING, David Mark ,  PORTILLO, Benedict, I. ,  BRUNET, John Dexter

IPC: F04B47/00 ,  F04B53/16 ,  F04B15/02 ,  E21B43/12 ,  B24C1/10 ,  B23K26/00

CPC classification number: B23K26/356 ,  B23K26/0006 ,  B24C1/10 ,  C21D7/06 ,  C21D10/005 ,  F04B15/02 ,  F04B47/00 ,  F04B53/16

Abstract: A pump fluid end includes a body that defines a plunger bore and a working fluid bore that intersects the plunger bore to form a cross bore. A packing bore is defined in the plunger bore and includes a packing sleeve bore, a taper relief bore, and a transition bore. The packing sleeve bore transitions to the taper relief bore at a radial shoulder and the taper relief bore transitions to the plunger bore across the transition bore. The transition bore extends between an external corner contiguous with the plunger bore and an internal corner contiguous with the taper relief bore and at least one of the external and internal corners is rounded and exhibits a radius. The packing bore is treated with a surface pre-stressing treatment.

Abstract translation: 泵流体端部包括限定柱塞孔和与柱塞孔相交以形成交叉孔的工作流体孔的主体。 填料孔限定在柱塞孔中并且包括填料套孔，锥形孔和过渡孔。 填料套筒孔在径向肩部过渡到锥形释放孔并且锥形释放孔过渡到过渡孔的柱塞孔。 过渡孔在与柱塞孔邻接的外角和与锥形释放孔邻接的内角之间延伸，并且外角和内角中的至少一个角为圆角并且具有半径。 填料孔经过表面预应力处理。