Releasing spears Type T


Application

The STS Releasing Spear is an internal catch fishing tool designed to retrieve tubular items from oil, gas and exploratory well bores.

Construction

The basic Releasing Spear consists of a mandrel, basket grapple, bull nose nut and release ring. The Releasing Spear is supplied by basket grapples with different ODs. The basket grapple set is formed at customer’s request. The catching process carried out by the helix-shaped configuration outside the spear bowl provides a tapered spiral surface onto which the basket grapple will be attached.

Mandrels are made by different versions:

  • Smooth;
  • With thrust end;
  • With thrust end and thread.

When ordering, please specify:

  • Assembly name and size;
  • Version (LH or RH);
  • Nominal sizes and quantity of basket grapples;
  • Type of mandrel;

Ordering Spears with smooth mandrel:

  • Mandrel connection thread if other than stated in the table;
  • Top sub connection thread;
  • Quantity and length (800; 1000; 1500 mm) of extensions.

Ordering Spears with thrust end:

  • Mandrel connection thread if other than stated in the table.

Ordering Spears with centering direction:

  • Mandrel connection thread if other than stated in the table;
  • Centering direction hole size.
Assembly name and size Value of basket grapple nominal size (min...max) Operating range of grapple corresponding to nominal size, ± Load capacity Flush body OD ID Connecting thread
мм inch мм inch кН lbf мм inch мм inch
T-48 37,3...50 1 15/32...1 31/32 0,9 0,035 200 45000 36,4 1 7/16 - - З-30 NC 10
T-60 49...62,5 1 15/16...2 15/32 1,4 0,055 340 76000 47,6 1 7/8 9 3/8 З-38 NC 13
T-73 60,9...77 2 13/32...3 1/32 1,4 0,055 650 146000 59,5 2 11/32 12 15/32 З-44 NC 16
T-89 73...100,3 2 7/8...3 61/64 1,9 0,750 1000 225000 71,1 2 13/16 12 15/32 З-44 NC 16
T-102 86,4...101,2 3 13/32...3 63/64 2,5 0,098 1300 292000 84 3 5/16 18 23/32 З-73 NC 26
T-114 98,1...112 3 55/64...4 13/32 3,2 0,126 1600 360000 94,9 3 23/32 20 25/32 З-76 2 7/8 Reg
T-127 106,1...154,6 4 11/64...6 3/32 3,2 0,126 2000 450000 103,6 4 1/16 22 7/8 З-76 2 7/8 Reg
T-146 124...150,5 4 7/8...5 15/16 3,4 0,134 2500 562000 120 4 23/32 22 7/8 З-88 3 1/2 Reg
T-168 133...156,2 5 15/64...6 5/32 3,4 0,134 2900 652000 129,5 5 3/32 25 1 З-88 3 1/2 Reg
T-178 154,8...202 6 3/32...7 61/64 3,8 0,150 2900 652000 147,8 5 13/16 36 1 13/32 З-117 4 1/2 Reg
T-219 195,3...279,6 7 11/16...11 3,8 0,150 4500 1012000 178 7 70 2 3/4 З-147 5 1/2 FH
T-245 218,4...288,8 8 19/32...11 3/8 5,1 0,200 6500 1461000 200 7 7/8 70 2 3/4 З-147 5 1/2 FH
T-324 288,8...322,9 11 3/8...12 23/32 5,1 0,200 6500 1461000 280 11 1/32 101 4 З-147 5 1/2 FH

It is possible to produce any sizes not listed in the table



«Sib Trade Service» © 2016