String shoe with BKO check valve

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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.

TMC Group Managing Company LLC manufactures and supplies String shoe with BKO check valve.

Details

Purpose

It is intended to equip the bottom of the casing string made of pipes as per GOST 632-80 in order to guide them along the wellbore and protect against damage when running into the well, as well as to prevent grouting mortar backflow into the casing string after its forcing through.

Field of application

In oil and gas wells as part of the process equipment of casin strings with connecting elements made with any threads, including premium.

Advantages

The shoe consists of a rugged steel body and a hemispherical concrete extension connected thereto.

The product is easy to drill.
Can be made with connecting short triangular thread, with trapezoidal threads OTTM and OTTG as per GOST 632-80.
Can be made with TENARIS and BUTTRESS threads according to American Petroleum Institute (API) standards and TU 3663-004-78682242-2014 specifications.

Characteristics

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rn Shoe Type and Thread Type	rn String Nominal Bore, mm	rn Product Designation	rn Outside Diameter D, mm	rn Central Hole Diameter D, mm	rn Height H, mm	rn Mass, kg
rn BKO-114	rn 114	rn UNBR 069.00.000	rn 133	rn 52	rn 274	rn 11
rn BKO-127	rn 127	rn UNBR 068.00.000	rn 146	rn 60	rn 280	rn 13,2
rn BKO-140	rn 140	rn UNBR 066.00.000	rn 159	rn 70	rn 315	rn 17,4
rn BKO-146	rn 146	rn UNBR 061.00.000	rn 166	rn 70	rn 318	rn 19,2
rn BKO-168	rn 168	rn UNBR 071.00.000	rn 188	rn 80	rn 360	rn 27,7
rn BKO-178	rn 178	rn UNBR 070.00.000	rn 198	rn 90	rn 380	rn 32,2
rn BKO-194	rn 194	rn UNBR 071.00.000	rn 216	rn 90	rn 405	rn 36,3
rn BKO-219	rn 219	rn UNBR 072.00.000	rn 245	rn 120	rn 420	rn 48,9
rn BKO -245	rn 245	rn UNBR 073.00.000	rn 270	rn 120	rn 430	rn 65
rn BKO-273	rn 273	rn UNBR 074.00.000	rn 299	rn 120	rn 415	rn 70,0
rn BKO-299	rn 299	rn UNBR 075.00.000	rn 324	rn 120	rn 405	rn 75,8
rn BKO-324	rn 324	rn UNBR 076.00.000	rn 351	rn 160	rn 405	rn 92
rn BKO-340	rn 340	rn UNBR 077.00.000	rn 365	rn 160	rn 415	rn 97,4