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Mudanjiang Dongxu Machinery drilling tools Co.,Ltd
Mudanjiang Dongxu Machinery drilling tools Co.,Ltd  

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Releasing Slip Fishing Spear 

Payment Terms: T/T,L/C 
Place of Origin: Heilongjiang, China (Mainland) 
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Product Detail

Model No.: LM60-381
Production Capacity: depend on requirement
Delivery Date: 15days
Means of Transport: Ocean,Land,Air
Packing: wooden cases
Brand Name: MDX

Releasing Spears provide a dependable, inexpensive, and simple means of engaging a fish internally.

Description : Releasing Spears provide a dependable, inexpensive, and simple means of engaging a fish internally. These Spears assure positive engagement, easy release from the fish when desired, and easy re-engagement after the Spear has been released.

Features: Releasing Spear consists of a Mandrel, Grapple, Release Ring, and Nut. The Mandrel may be obtained in either a Flush Type or a Shoulder Type. Mandrel top connections are furnished to order. 
The Nut can be obtained as a plain bull nose guide or with a pin connection for the attachment of other tools below the Spear.

Assembly and Operation:

To Assemble: Screw the Grapple onto the Mandrel from the lower end with a left-hand action. Slide the Release Ring on below the helical section of the Mandrel and make up the Nut to the Mandrel. Before running in, screw the Grapple down against the Release Ring as far as it will go by hand. In this position, the Grapple will compress inward and will not engage the pipe sufficiently to interfere with the tool being run in.

To Engage the Fish: When the Spear has reached the point of desired engagement with the fish, rotate sufficiently to move the Mandrel one full turn to the left. This turns the Mandrel down through the Grapple, placing the Grapple into the engaging position. A straight pull will then wedge the Grapple into positive engagement with the fish.

To Release: Bump down to break the freeze, then rotate two or three turns to the right. This moves the Mandrel up through the Grapple, forcing the Grapple against the Release Ring and putting the Spear in released position. A straight upward pull will then generally free the Spear; however, it is recommended that the Spear be rotated slowly to the right when coming out. The matching cams of the Release Ring and Nut constitute a safety device which resists freezing or jamming.

Specification of Releasing Slip Fishing Spear for Drilling

Type

O.D.(mm)

O.D.of Guide Cone(mm)

Fishing Range(mm)

Connection

TLM60

86

48

46.1—50.7

NC26  2-3/8TBG

TLM73

95

52

54.6—62.0

NC26  2-7/8TBG

TLM89

105

58

66.1—77.8

NC31  2-7/8TBG

TLM102

127

75

84.8—99.1

NC38  3-1/2TBG

TLM114

127

85

92.5—102.3

NC38

TLM127

159

95

101.6—115.0

NC50

TLM140

159

102

117.7—127.7

NC50

TLM60

159

135

140.3—155.3

NC50

TLM73

159

144

149.8—163.8

NC50

TLM89

159

160

168.3—179.7

NC50

TLM102

159

180

190.0—205.7

NC50

TLM114

203

210

215.9—228.6

6 5/8″REG

TLM273

203

210

241.3—260.3

6 5/8″REG

TLM340

203

210

298.4—323.8

6 5/8″REG


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Company Info

Mudanjiang Dongxu Machinery drilling tools Co.,Ltd [China (Mainland)]


Business Type:Manufacturer
City: Mudanjiang
Province/State: Heilongjiang
Country/Region: China (Mainland)

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