Heat-resistant high pressure charges

TShT high-pressure torpedo charges are intended for drill pipes cutoff when eliminating accidents (TShT 25/28 – TShT 84/90) and shooting of cased wells and wells where the pay bed isn’t covered with pipes in order to increase well rate and well injection capacity (TShT 35/40 – TShT 84/90). TShT high-pressure torpedo charges are used in wells filled with flushing liquid under hydrostatic pressure up to 100 mPa and temperature up to 160°С.

Torpedoes are lowered into position on armored single-core cable.

Parameter	Torpedo type
Parameter	TShT 20/22	TShT 25/28	TShT 35/40	TShT 43/48	TShT 50/55	TShT 65/70	TShT 84/90
Charge type	ZTShT-20-120 ZTShT-20-160	ZTShT-25-120 ZTShT-25-160	ZTShT-35-100 ZTShT-35-150	ZTShT-43-100 ZTShT-43-150	ZTShT-50-100 ZTShT-50-150	ZTShT-65-100 ZTShT-65-130	ZTShT-84-100 ZTShT-84-130
Torpedo length when loaded, mm	780	1930	1872	1875	1703	1505	1680
Torpedo maximum diameter, mm	22,5	28,5	42	50	57	72	92
Loaded torpedo weight, kg	3,123	4,15	12,98	13,92	17,00	18,85	-
Maximum working temperature, С	120/160	120/160	100/150	100/150	100/150	100/130	100/130
Charge diameter, mm	20	25	35	43	50	65	85
Charge length, mm	510	700	700	700	700	500	-
Charge weight per 1 m, kg	0,5	0,771	1,54	2,32	3,14	5,3	-
Charge weight, kg	0,255	0,55	1,08	1,62	2,2	2,65	5,317
Load length, mm	1065	1065	1000	1000	800	800	800
Load diameter, mm	22	22	40	40	55	55	55
Load mass, kg	2,6	2,6	10,6	10,6	12,2	12,2	12,2