String shoe with BKPOK check valve as per

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Annually various types of products are awarded with high-quality marks in «The Best Goods and Services of the Republic of Tatarstan» and «100 Best Products in Russia» competitions.

String shoe with BKPOK check valve as per

TMC Group Managing Company LLC manufactures and supplies String shoe with BKPOK check valve as per TU 28.99.39.190-089-78682242-2019.

Details

Purpose

Strting shoe with BKPOK check valve (TU 28.99.39.190-089- 78682242-2019) is intended to equip the casing string bottom and protect it from damage while running-in. A special design feature is the use of a special plastic nozzle, lightening the structure and having a number of structural advantages over the traditionally used cement stone.

Field of application

In oil and gas wells as part of the process equipment of casing with TMC-SRV2 premium threaded connection elements.

Advantages

Equipped with a check valve that prevents drill mud from flowing into the casing string in the course of its running-in and prevents the grouting mortar circulation from the bottom upwards. The maximum pressure drop is up to 3.626 ksi.
It has a lightweight structure, not inferior to analogues in strength characteristics.
All shoe inner parts are made of easy-to-drill materials, which allows minimizing the costs of further work.
Any type of threads of joined surfaces - at customer’s option.

Characteristics

Name	Nominal casing string diameter, mm	Type of coupling thread	Outer diameter D, up to, mm	Internal diameter D, at least, mm	Diameter D1, at least, mm	Height H, mm	Weight, kg, up to
BKPOK-114 SRV	114	TMC1-SRV2	133	40	60	270	9
BKPOK-146 SRV	146	TMC1-SRV2	166	40	80	320	18
BKPOK-168 SRV	168	TMC1-SRV2	188	60	100	360	23
BKPOK-178 SRV	178	TMC1-SRV2	195	60	115	380	30
BKPOK-245 SRV	245	TMC1-SRV2	270	60	150	370	51