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Releasing Spear
Introduction:
Releasing Spear provide a more effective means to engage and retrieve an internal fish from the well. It is ruggedly built to withstand severe jarring and pulling strains. It engages the fish over a large area without damaging of the fish. The simple design prevent small parts being lost or damaged in the hole during operation. It may be used with other equipment such as pack-off assemblies and internal cutters. If the fish cannot be pulled, the spear can be easily be released and disengaged.
Construction:
The Releasing Spear consists of a mandrel, grapple, releasing ring, and a bull nose nut. The mandrel is made of specially heat treated high strength alloy steel; and may be ordered either as a flush type to enter completely into a fish or as a shoulder type to provide a positive landing position on top of the fish. Size and type of the upper box connection can be customised provide according to customer's exact specification.
Releasing spear type:
Spear Assembly with Shoulder Type Mandrel
Spear Assembly with Flush Type Mandrel
When ordering please specify:
●The model of the releasing spear.
●Top connection
●The exact size and weight of the fish
●Flush or shoulder type mandrel
Model:
LM-T60 LM-T73 LM-T89 LM-T102 LM-T114 LM-T127 LM-T140 LM-T168 LM-T178 LM-T194 LM-T219 LM-T245 LM-T273 LM-T340
Specifications - Releasing Spear
1 Releasing Spear LM-T60 86 47.4-51.8 NC26 270
2 Releasing Spear LM-T73 105 57.4-62 NC31 380
3 Releasing Spear LM-T89 121 70-77.8 NC38 650
4 Releasing Spear LM-T102 121 82-90.1 NC38 800
5 Releasing Spear LM-T114 121 92.4-103.9 NC38 1000
6 Releasing Spear LM-T127 165 102-115.8 NC50 1300
7 Releasing Spear LM-T140 165 118.6-127.3 NC50 1500
8 Releasing Spear LM-T168 165 140-153.7 NC50 2200
9 Releasing Spear LM-T178 165 150.4-166.1 NC50 2200
10 Releasing Spear LM-T194 165 168.3-178.5 NC50 2300
11 Releasing Spear LM-T219 197 190.8-205.7 6 5/8 REG 2300
12 Releasing Spear LM-T245 197 216.8-228.7 6 5/8 REG 2500
13 Releasing Spear LM-T273 197 240-258.9 6 5/8 REG 2500
14 Releasing Spear LM-T340 197 313.6-323 6 5/8 REG 2500
Releasing Spear Accessorys:
Segment-Type Spear Grapple
The Segment-Type Spear Grapple enhances the spear’s effectiveness by providing an extended catching range beyond the maximum range of the standard one-piece grapple.Segment-Type Spear Grapple is used in place of the standard one-piece Grapple on the 9 5/8” Spears. This enhances the spear's capability of engaging up to 20".
Segment-Type Spear Grapple consists of a grapple body, eight grapple segments, two retainer rings, six retainer ring screws, six retainer ring spacers, and sixteen grapple segment screws.
Pack-off Assembly
Pack-off Assembly is available for all TIAnHE Spear Assemblies and is designed to efficiently pack-off all sizes of tubing and casing. Circulation through the fish is enabled by attaching the Spear Pack-off Assembly to the bottom of the spear with a sub type nut.
Spear Stop Sub
Releasing Spear Stop Sub Assembly is an accessory designed to convert a releasing spear with a flush-type mandrel into a shouldered type spear. It is installed in the box connection at the top of the mandrel when the use of a positive stop is desired or required. A stop ring can be added to increase shoulder diameter. All stop rings are furnished with left-hand threads.
Optional Nuts
Mill Type to mill away burrs, Sub Type to connect and run other tools below the Spear, and Sidehill Type to center the spear in greatly oversize holes to assure entry of the Spear into the fish.
Sub Type Nut Mill Type Nut Sidehill Type Nut Stop Ring
