BOWEN 150 SERIES OVERSHOT

There is another type of stop available, called a steel stop. It is equipped with a box connection, as specified by the customer, to assure proper make-up with the fishing string. There are four kinds of controls: It is costly when tools are damaged. You would run a smaller O. We will discuss these later. Another use for the oversize guide is where you are fishing for a small diameter fish in a large diameter hole, and cannot get a grapple with small enough catch for an overshot that is suitable for the hole size.

The Grapple is locked in place by a control, which goes in the overshot below the grapple. There are several different types of basket grapples for the Series Bowen Overshot. Home About Services Safety Contact. Especially hardened wicker threads assure a positive grip to engage the fish securely. The upper end of the bowl is threaded for assembly with the top sub. The oversize guide is used when an overshot is not compatible with the hole size. Description The Wide Catch Overshot WCOS provides the strongest tool available to externally engage, pack-off, and pull a fish that has been significantly worn. The Flush guide is sometimes referred to as a donut guide or smooth guide.

The spiral grapple catch size begins where the basket grapple catch size becomes too thin to have any strength. The high pressure bowl screws onto the overshot at the bottom where the guide normally goes, and the guide screws onto the bottom of it. Home About Services Safety Contact. Always use caution when tightening these connections. There are five different packoffs for the Series Bowen Overshot. Home About Services Safety Contact. Always use caution when making up or breaking down tools to prevent damaging them.

The Series Bowen Overshot features positive engagement, and is a releasable overshot. The top extension should not be a larger I. In addition to the large catch range, the WCOS has the ability to seal across very large extrusion gaps at both standard and high pressure and provide full circulation through the fish, should it be required.

It guides the fish into the overshot, allowing the internal gripping mechanism to properly engage and grip the fish. It is equipped with a box connection, as specified by the customer, to assure proper make-up with the fishing string. When you think you have done this, you pick up on the work string to a neutral weight and rotate the overshot to the right five or six rounds.

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Standard guide – The standard guide is the lowermost component of the assembly. The Mill guide is used to mill over a fish that is distorted in some way such as flat, flared, or split and to bring it back to the original size before engaging it with a grapple.

You should familiarize yourself with these numbers and use them when ordering grapples. The Wide Catch Overshot WCOS provides the strongest tool available to externally engage, pack-off, and pull a fish that has been significantly worn.

You do this by jarring down on the work string. Some overshots are pinned at the top.

Spiral Grapple – The spiral grapple is a left-hand helix that conforms to the inside of the overshot bowl. These fishing tools have proven to be the most versatile and reliable in the field. You should never have 1550 force an overshot over a fish.

When you know a fish is split, undersized, or have already stripped a grapple off it, then you go back with the top extension and catch lower on good pipe. Top extensions are also overshoh to insure against backing off when left-hand torque is applied to the overshot.

This will reduce friction and enable the grapple to pull farther down into the draw.

There is an N. The top extension is quite often misused by running it when it is not needed. General Description These are the babies of the overshots and are referred to as Sucker Rod Overshots. They enable you to insert the grapple in the overshot.

Downhole Fishing Tool Information – Dynasty Downhole Services

Standard Components Top sub – The top sub is the uppermost component of the assembly. Benefits Wide catch range tool increases success rate of fishing trips Reduced number of back-up grapples in inventory Reduced number of trips in hole, non-productive time NPT Fit-for-purpose sealing options enable full flow through fish in hole Lower end connection interchangeable with all existing guides, mill shoes and other fishing accessories Increased number of connection re-cuts Max size fish ease of entry into Top Subs and Extension Subs.

Another use for the bottom extension is to help line up a crooked fish with the overshot before it reaches the grapple. If it is, it has been modified and seriees yield strength is less than the book lists it. Another use for the oversize guide is where you are fishing for a small diameter fish in a large diameter hole, and cannot get a grapple with small enough catch for an overshot that is suitable for the hole size.

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Seriew also come in sizes to correspond with the grapple size. If you still have your jar assembly on the overshot, close the bumper jars, then tie the cat line above the Mandrel. However, if you need to, and have a machine shop available, it is very easy to convert control packoffs to high-pressure packoff elements. They are as follows: When fishing in tubing, casing, or open hole for a very short length vowen fish, the Bowen Series 70 Short Catch Overshot can be successfully used where no other overshot available will do the job.

It is available in most any I. Ovdrshot is usually used when stripping over a wireline to reduce the chances of cutting the line.

Bowen™ Series 150 Releasing and Circulating Overshots – Spiral Grapple

Overshoots come with a wide range of available accessories. The connections above the bowl should be tightened with rotary tongs, and then the pins tightened.

The oversize guide is used when an overshot is not compatible with the hole size. If you pick up too much weight after shucking it, it will not rotate. The WCOS has been designed to significantly increase the catch range of the OD of the fish to be caught, compared to the standard overshot.

It is, as far as the construction is concerned. It is a short catch overshot. Lvershot also manufactures several other overshots that are very similar to the Series The lower end is threaded for assembly with the standard guide.

There are basket grapples with stops built in. Segies do not ever assure the customer that they will hold a specific amount of pressure. If you are catching a fish that is soft, then a deep, wide wicker is best.

It works very much like slips in a rotary. The latter two come in sizes to correspond with the grapple you run. Pick up until the jars are opened, then drop them closed very rapidly. This helps to screw off of a fish when releasing the overshot.