String shoe of BK-P and BKM type

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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 of BK-P and BKM type.

Details

Purpose

The shoe is designed to equip the casing string bottoms in order to guide them along the wellbore and protect them from damage while running-in in the course of lining the oil and gas wells with the temperature at the bottom of up to 482 °F.

Field of application

In oil and gas wells as part of the process equipment of casing 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

Technical specifications of string Shoe type BKM

Outside Diameter D, mm	Central Hole Diameter D1, mm	Type, Shoe Designation	Passage Diameter, mm	Height H, mm	Mass, kg, no more than
BKM-114	114	130	50+10	270	15
BKM-146	146	166	70+10	297	18
BKM-168	168	188	80+10	300	24
BKM-178	178	198	90+10	325	32
BKM-245	245	270	120+10	375	55
BKM-324	324	351	160+10	360…390	87
BKM-426	426	451	220+10	420	150

Technical specifications of string shoe type BK-P

Shoe Type	Passage Diameter of Casing String	Device Outside Diameter, D, mm	Device Drift Diameter, d, mm	Central Hole Diameter in the Bit, d1 mm	Diameter of Side Holes, d2 mm/n (quantity)	Device Length, L, mm	Connecting Thread GOST632-80*	Mass, kg
BK-P 146	146	166	138	70	15/6	297	ОТТМ146	12,7
BK-P 168	168	187,7	160	80	15/6	318	ОТТМ168	15,5
BK-P 178	178	194	170	90	18/6	324	ОТТМ178	24,7
BK-P 245	245	270	236	120	20/8	352	ОТТМ245	30,2
BK-P 324	324	351	315	160	20/8	397	ОТТМ324	48,3