Bias weld

Bias weld

A technique used in the assembly of coiled tubing strings at the manufacturing plant. Prior to being formed, the string is assembled from flat steel strips joined by a bias weld that is angled across the strip joint at 45 degrees. When the tubing string is milled, the helical weld form provides enhanced characteristics of the tube at the weld site. These are significantly better than those achievable with the alternative butt weld technique.

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Part of Speech: noun
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Industry/Domain: Oil & gas
Category: Oilfield
Company: Schlumberger
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Related terms

bias weld

Oil & gas; Oilfield

A technique used in the assembly of coiled tubing strings at the manufacturing plant. Prior to being formed, the string is assembled from flat steel strips joined by a bias weld ...

bias weld

Oil & gas; Oilfield

A weld technique on diagonal cut strips of steel, superior to the butt weld process for joining flat strips of metal together before rolling into coiled tubing.

weld

Construction; Bridge

A joint between pieces of metal at faces that have been made plastic by heat or pressure.

weld

Engineering; Civil engineering

To build up or fasten together metals by bonding on molten metal.

weld

Metals; Aluminum

To join two pieces of metal by applying heat or pressure, causing them to melt in the welded area, mingle and resolidify, forming a single piece.

weld

Software; Graphic design software

To combine two objects into a single curve object with a single outline. A source object is welded to a target object to create a new object that takes on the fill and outline ...

rental payment

Oil & gas; Oilfield

An annual payment made by an oil company to a State in order to retain rights in a particular concession.

sampling

Oil & gas; Oilfield

The process of obtaining a small quantity of material which is as representative as possible of the total volume.

possible reserves

Oil & gas; Oilfield

Undeveloped oil and/or gas reserves which best engineering judgement indicates might eventually be recoverable from undrilled or untested structures.

pinch-out trap

Oil & gas; Oilfield

A trap where a bed or reservoir rock gets progressively thinner as it nears an impervious area and eventually disappears.

geosyncline

Oil & gas; Oilfield

A large sedimentary basin in which extremely deep layers of sediments have accumulated over a long period of time.

gravimetric survey

Oil & gas; Oilfield

A geological survey method in which measurements of the variations in the surface gravitational field are used to determine the nature of the underlying rocks.

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