Lifting-Lower and Releasing Overshot Lt-T Oilfield Fishing Tools

• Customization: Available
• After-sales Service: Provide
• Warranty: 1 Year
• Model NO.: KAIDI
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: 4145 H
• Color: Blue
• OEM: Provide
• Other: ISO
• Transport Package: Wooden Case
• Specification: KAIDI
• Trademark: Kaidi
• Origin: China
• HS Code: 8431431000
• Package Size: 120.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 30.000kg

Product Description

Product Description

Lifting-Lower and releasing overshot is a fish tool in the casing which fishes fractured tubing and drill string. If fish drill string is stuck heavily and hard to complete fishing work, while need to release fish, may get back the tool by bumping drill string down and lift directly.
The product is excellent for fishing operations as it does not require rotation. Fishes can be caught or released through simple lifting or lowering of the tool.

Model	Product Code	O. D.(mm)	Connection	Catch Size (in)
TFLT48	L05-4800	95	NC26	1.9
TFLT60	L05-6000	105	NC31	2 3/8
TFLT73	L05-7300	115	NC31	2 7/8
TFLT89	L05-8900	134	NC38	3 1/2
TFLT114	L05-11400	150	NC38	4 1/2

Lifting-Lower and Releasing Overshot is composes of top sub, bowl, guide pin, guide sleeve, joint sleeve, plug, roller pin, slip, guide, as shown in the figure. The box thread of top sub is connected with drill stem and the pin thread is connected with the bowl, The bottom of bowl is connected to the guide. An inner cone in the bowl matches the slip. Box thread of guide sleeve is connected with joint sleeve, track trenches are milled on another outer surface: three long trenches and three short trenches act as guiding and reversing. When guide pin locates in long trench is in the condition of fish. When guide pin locates in short trench is in the condition of release. Joint sleeve is two petals formation. It makes slip and guide sleeve connection and by roller pin act as bearing. The inner surface of slip has fish thread, guide is on the bottom and can make fish introduce into slip successfully.

Company Profile

 

Mudanjiang Kaidi Petroleum Machinery Co., Ltd is a professional manufacturer in the field of petroleum machinery, boasting rich experience and excellent technical strength in the production of downhole petroleum drilling and production tools.

Our main products are downhole petroleum drilling and production tools, covering a variety of types and specifications, which can meet the various needs of different customers in the process of petroleum extraction. With advanced production equipment and exquisite production technology, we have strong production and machining capabilities, enabling us to efficiently and accurately complete the processing and manufacturing of various complex parts.

Notably, we specialize in custom - made services according to customers' drawings. No matter how unique and complex the customers' requirements are, our professional technical team, with rich experience and innovative ability, can customize products that meet their specific needs according to the drawings and requirements provided by customers, providing personalized solutions for them.

In terms of material processing, we have deep technical accumulation and professional advantages, especially in the processing of special materials such as nickel - based alloys and titanium alloys. These special materials have excellent properties such as high strength, corrosion resistance and high temperature resistance, which are suitable for the harsh petroleum extraction environment. We are proficient in the processing technology of these materials, which can give full play to their performance advantages and ensure the quality and reliability of products.

We always adhere to the business philosophy of "quality first, customer first", and have won the trust and support of our customers with high - quality products and services. In the future, we will continue to focus on technological innovation and product optimization in the field of petroleum machinery, continuously enhance our core competitiveness, and make greater contributions to the development of the global petroleum industry.