Coiled tubing

Июль 21, 2022

Содержание

2. Topics Development Coiled tubing 1 Economic benefits 2 3 General Information
3. General Information Koltubing is a special installation designed for technological operations during the overhaul and underground
4. Easy class Designed for hoisting and technological operations with the use of airborne drillings for overhaul,
5. Middle class Designed for hoisting and technological operations with the use of airborne drillings for overhaul,
6. Heavy class Designed for carrying out tripping and technological operations with the use of oil and
8. Coiled Tubing Development History Coiled tubing — one of the promising and developing areas of specialized
9. The technology was invented in the 1950s, it became widely used only in the late 1980s.
10. Coiled tubing is a 2-10-fold increase in labor productivity and a reduction in the cost of
11. - elimination of hydrate-paraffin and sand plugs; - cleaning the well from foreign objects; - fishing
12. The purpose of the implementation of coiled tubing technology Reduced production costs of oil Full additional
13. Cost-effective coiled tubing «+» «-» less time for drilling (no need to connect pipes); reduced operating
14. For example, the cost of drilling one horizontal well in Alaska while drilling: conventional installations is
15. Сonclusion Coiled tubing is one of the leading technologies in the future. Thanks to it, it
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Topics
Development Coiled tubing
1
Economic benefits
2
3
General Information

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General Information
Koltubing is a special installation designed for technological operations during

the overhaul and underground repairs of wells, as well as for drilling lateral, sloping and horizontal openings in oil and gas wells using a flexible column of pipes.
There are three types of Coiled tubing installations:
easy class
middle class
heavy class

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Easy class
Designed for hoisting and technological operations with the use of

airborne drillings for overhaul, repair and intensification of oil and gas wells at shallow and medium depths without jamming them at a pressure at the sealing mouth of up to 70 MPa.

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Middle class
Designed for hoisting and technological operations with the use of

airborne drillings for overhaul, repair and intensification of oil and gas wells at medium and large depths.

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Heavy class
Designed for carrying out tripping and technological operations with the

use of oil and gas equipment for overhaul, repair and stimulation of oil and gas wells at medium and large depths, as well as for drilling operations on sidetracks and horizontal wells and hydraulic fracturing.

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Coiled Tubing Development History
Coiled tubing — one of the promising and developing

areas of specialized equipment for the gas and oil industry, based on the use of flexible continuous pipes.

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The technology was invented in the 1950s, it became widely

used only in the late 1980s. It is cheaper and more environmentally friendly than classic columns

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Coiled tubing is a 2-10-fold increase in labor productivity and

a reduction in the cost of work on a very large range of operations.
Average working time:
with coiled tubing - 48 hours
conventional methods - 490 hours (10-11 times more).
Bottom-hole treatment time:
using coiled tubing - 90-100 hours,
conventional methods - 240 hours.

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- elimination of hydrate-paraffin and sand plugs;
- cleaning the well from

foreign objects;
- fishing work;
- a piece of seized tubing;
- well development;
- treatment of the bottom-hole zone;
- flushing the bottom of the well;
- waterproofing work;
- carrying out acid treatments;
- additional perforation;
- thawing of hydrated-ice plugs;
- drilling on a depression;
- drilling cement bridges and other types of work.

Technological operations

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The purpose of the implementation of coiled tubing
technology
Reduced production costs of

oil
Full additional development of all deposits
It is broader, better, and cheaper to mine raw materials using these technologies.

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Cost-effective coiled tubing «+» «-»
less time for drilling (no need

to connect pipes);
reduced operating time and costs;
less transportation
high cost of equipment

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For example, the cost of drilling one horizontal well in Alaska

while drilling:
conventional installations is approximately 2200 thousand dollars

installation with a column of continuous flexible pipes - about 500 thousand dollars.

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Сonclusion
Coiled tubing is one of the leading technologies in the future.

Thanks to it, it is possible to reduce the costs and time for the development of the field, complete development of the field, as well as better quality of the extracted raw materials.