Bowen Equivalent Series Dlt-T Relasing and Reversing Fishing Overshot

• After-sales Service: Support
• Warranty: Support
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Model NO.: DLT-T105
• Standard: ISO9001:2008, ISO14001:2004 Certification
• Transport Package: Wooden Box
• Specification: refer to product description
• Trademark: TIANHE
• Origin: China
• HS Code: 8431431000
• Production Capacity: 5000piece/Year

Product Description

Product Description

TIANHE Type DLT-T Releasable Reversing Overshot, a new type of fishing tool, has many advantages owned by various overshot, box tap and the like. Its distinguishing features  are as follows: to unscrew and recover the stuck fish; To release the fish down hole if necessary; to circulate the washing fluid as one of the accessories for reversing tools. It is widely used in well servicing.

Structure and Application

Consisting of top sub, spring, bowl, retaining seat, slip, control key, seal ring, seal seat, guide and so on. The upper end of top sub is connected with other tools and drill tool. The lower end of top sub is connected with bowl equipped with spring in the interior. There    are three control keys uniformly distributed in the inner wall of the upper end of bowl. the control keys are used to control the position of retaining seat. Three keys are inserted separately in three grooves in the tapered interior section of lower end in bowl where three keys are used to transmit torque. The tapered interior section produces a pinch force against the slip to trigger the fishing operation. The inclined angle among three control keys play an important role in retaining conformance of the slip with the bowl to ensure that the tools can be released easily from the fish.

The retaining seat is installed at the upper end of the external bowl where the three keys are placed. The retaining seat not only can slide axially, but also rotates round the axial line moving with the slip which is installed in the internal circular recess.

Detailed Photos

 

Product Parameters

Specifications - Table 1 Releasing and Reversing Overshot Connection LH
 

Model	O.D. (mm)	Max. Fishing Size (mm)	Allowed Pull (KN)	Releasing Pull & Allowed Torque		Connection (Box LH)	Product Code
				Pull (KN)	Torque (N.m)
DLT-T95×48	95	48.3	250	120	3100	2 7/8 REG	L07-4800
DLT-T105×60	105	63.5	350	150	5750	NC31	L07-6000
DLT-T114×73	114	78.6	420	180	7750	NC31	L07-7300
DLT-T134×89	134	93.2	500	180	10250	NC38	L07-8900
DLT-T145×102	145	101.6	700	200	11050	NC38	L07-10200
DLT-T160×114	160	114.3	900	200	12150	NC38	L07-11400
						2 7/8 REG	L07-11410
DLT-T185×127	185	127	1200	240	13500	NC50	L07-12700
DLT-T200×140	200	139.7	1500	240	15300	NC50	L07-14000

Specifications - Table 2  Releasing and Reversing Overshot connection RH
 

Model	O.D. (mm)	Max. Fishing Size (mm)	Allowed Pull (KN)	Releasing Pull & Allowed Torque		Connection (Box LH)	Product Code
				Pull (KN)	Torque (N.m)
DLT-T105×60F	105	63.5	350	150	5750	NC31	L07-6010
DLT-T114×73F	114	78.6	420	180	7750	NC31	L07-7310
DLT-T134×89F	134	93.2	500	180	10250	NC38	L07-8910
						NC31	L07-8920
DLT-T160×114F	160	114.3	900	200	12150	NC38	L07-11420

Certifications

Packaging & Shipping

 

All the packing will be suitable for export packing. All precautions will be taken to protect the cases from damage during overseas transportation,so as to receive them under proper conditions at the final destination.Wooden case packaging materials will be treated.

 

Company Profile