US 12,188,304 B2
Installation kit, hollow rod, drill string and a method for producing or reworking a hollow rod of a drill string
Medardus Ramsauer, Kuchl (AT); and Anton Kotov, Samara (RU)
Assigned to THINK AND VISION GMBH, Leoben (AT)
Appl. No. 17/913,112
Filed by THINK AND VISION GMBH, Leoben (AT)
PCT Filed Jun. 6, 2022, PCT No. PCT/EP2022/066699
§ 371(c)(1), (2) Date Sep. 20, 2022,
PCT Pub. No. WO2022/268696, PCT Pub. Date Dec. 29, 2022.
Claims priority of application No. 50534/2021 (AT), filed on Jun. 25, 2021.
Prior Publication US 2023/0340838 A1, Oct. 26, 2023
Int. Cl. E21B 17/02 (2006.01); E21B 17/00 (2006.01)
CPC E21B 17/023 (2013.01) [E21B 17/003 (2013.01)] 19 Claims
OG exemplary drawing
 
19. A method for producing or reworking a hollow rod of a pipe string with a pin and a box and a pipe body arranged between the pin and the box,
wherein an inside surface of a pipe is machined in the pin and in the box,
wherein then the installation kit is incorporated into the hollow rod and comprises:
a first end and a second end, which are connected to one another by means of at least one connecting line,
wherein each end has a peripheral surface,
wherein one of the two ends can be arranged in a pin of the hollow rod, and the other end can be arranged in a box of the hollow rod,
wherein a seal is arranged on the first end and/or on the second end, where the first end of an installation kit that is to be connected is sealed relative to the second end,
wherein a sealing element is arranged on the peripheral surface of each end,
wherein the pin and the box have a thread,
wherein the thread is reworked, and
wherein then the installation kit is incorporated into the hollow rod.