High Quality Factory Price Lifting-Lowering and Releasing Overshot Downhole Tools for Oilfield

• Customization: Available
• After-sales Service: Online
• Warranty: 1 Year
• Model NO.: TFLT48
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: 5000-10000psi
• Material: Alloy
• 0.D.(mm): 95-150
• Connection: Nc26
• Catch Size (in): 3 1/2
• Model: Tflt48
• Transport Package: Plywood Case
• Specification: Standard
• Trademark: Wise Channel
• Origin: Jiangsu China
• HS Code: 84139100
• Production Capacity: 10000units Per Year
• Package Size: 170.00cm * 105.00cm * 100.00cm
• Package Gross Weight: 450.000kg

Product Description

Lifting-lowering And Releasing Overshot

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.

                                                                                                                                                                                             

Structure

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.

Working Principle

The tool complete fishing and releasing fish through long, short track trenches. When the tool reaches the top of fish, it is lowered and is in contact with the fish. Through lifting and lowering, guide pin is in the position of long or short trench, slip is in the situation of fishing or releasing, in the condition of non-rotating complete fishing and releasing fish. 

 

Model	0.D.(mm)	Connection	Catch Size (in)
TFLT48	95	NC26	1.9
TFLT60	105	NC31	2 3/8
TFLT73	115	NC31	2 7/8
TFLT89	134	NC38	3 1/2
TFLT114	150	NC38	4 1/2

 

 

 

Q:How can I place order? 
A: You can contact us by email or social media like WhatsApp on the order detail or place order on line. 

Q:How about the payment?
A: For new clients, advance payment(30%-100% of total amount) is required, the balance need to be paid before the delivery after your inspection.

Q:How can I pay you?
A: By T/T (Telegraphic Transfer) or L/C (Letter of Credit). After you receive the PI, you can make the payment through your bank as per the terms mentioned in PI.

Q: What's the order procedure? 
A: First we discuss order details, production details by email ,TM or other social media; then we issue you an PI for your confirmation. You will be requested to make full payment or deposit before we go into production.After we get the deposit, we start to process the order. Depending on the products you order, we usually a couple of days or even moths to complete production if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we shall arrange the shipment for you. 

Q: How do you deal with  defective products received by the clients? 
A:  If there are some defective items, we usually credit to our customer or replace them in next shipment.