초록 ▼

A liner or core pipe which is suitable for insertion into a host pipe, the core pipe including, in certain aspects, a pipe made of temperature-resistant corrosion-resistant material and having an outer surface, an inner surface, a first end and a second end and a flow channel therethrough from the f

A liner or core pipe which is suitable for insertion into a host pipe, the core pipe including, in certain aspects, a pipe made of temperature-resistant corrosion-resistant material and having an outer surface, an inner surface, a first end and a second end and a flow channel therethrough from the first end to the second end; first and second strengthening wraps around the pipe; a plurality of spaced-apart pulling tapes on the pipe; the pipe deformable to facilitate insertion into a host pipe, and a protective outer wrap on the pipe. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

대표청구항 ▼

1. A core pipe which is suitable for insertion into a host pipe to replace the host pipe, with no application of energy to the core pipe before or after insertion into the host pipe, the core pipe comprising a new pipe made of temperature-resistant corrosion-resistant material, the pipe having an ou

1. A core pipe which is suitable for insertion into a host pipe to replace the host pipe, with no application of energy to the core pipe before or after insertion into the host pipe, the core pipe comprising a new pipe made of temperature-resistant corrosion-resistant material, the pipe having an outer surface, an inner surface, a first end and a second end and a flow channel therethrough from the first end to the second end,the new pipe comprising a plurality of individual pipe sections connected together,a first strengthening wrap around the new pipe,a second strengthening wrap around the new pipe,a plurality of spaced-apart pulling tapes positioned longitudinally on the new pipe,the new pipe configurable to facilitate insertion into a host pipe,the new pipe having a wall thickness of between about 4 mm and 7 mm,a protective outer wrap on the new pipe for protection during insertion into the host pipe,the new pipe comprising a stand-alone replacement for a host pipe for use within the host pipe. 2. The core pipe of claim 1 wherein the plurality of individual pipe sections are welded together. 3. The core pipe of claim 1 wherein the plurality of individual pipe sections are butt fusion welded together end-to-end using a fusion welding machine. 4. The core pipe of claim 1 further comprising a plurality of fiber optic sensors on the new pipe whichprovide signals indicative of one of tension applied to the new pipe, leaks of the new pipe, movement of the new pipe, and temperature along the new pipe. 5. The core pipe of claim 4 further comprising a third wrap to secure the pulling tapes and sensors in place, anda fourth wrap to secure the pulling tapes and sensors in place. 6. The core pipe of claim 5 wherein the third wrap comprises a plurality of high strength fiber tows and the fourth wrap comprises a plurality of high strength fiber tows. 7. The core pipe of claim 1,the new pipe made of HDPE. 8. The core pipe of claim 1 wherein the first strengthening wrap and the second strengthening wrap are made of high strength fabric material. 9. The core pipe of claim 1 wherein the pulling tapes are carbon fiber tapes. 10. The core pipe of claim 1 wherein the new pipe is configurable into a “C” shape. 11. The core pipe of claim 1 wherein the protective outer wrap is a sleeve of HDPE film. 12. The core pipe of claim 1 wherein the core pipe ranges in length between a few hundred feet up to 10 miles. 13. The core pipe of claim 1 wherein the core pipe ranges in length between about 2 miles to 2.5 miles. 14. The core pipe of claim 1 wherein the core pipe is made inside a protective structure. 15. The core pipe of claim 1 in which the core pipe has a Hazen-Williams coefficient of between 75 and 80. 16. A core pipe which is suitable for insertion into a host pipe to replace the host pipe, with no application of energy to the core pipe before or after insertion, the core pipe comprising a new pipe made of temperature-resistant corrosion-resistant material, the new pipe having an outer surface, an inner surface, a first end and a second end and a flow channel therethrough from the first end to the second end,the new pipe comprising a plurality of individual pipe sections connected together,a first strengthening wrap around the new pipe,a second strengthening wrap around the new pipe,a plurality of spaced-apart pulling tapes positioned longitudinally on the new pipe,the new pipe configurable to facilitate insertion into a host pipe,the new pipe having a wall thickness of between about 4 mm and 7 mm,a protective outer wrap on the new pipe for protection during insertion into the host pipe,a plurality of fiber optic sensors on the new pipe,wherein the sensors provide signals indicative of one of tension applied to the new pipe, leaks of the new pipe, movement of the new pipe, and temperature along the new pipe,a third wrap to secure the pulling tapes and sensors in place,a fourth wrap to secure the pulling tapes and sensors in place,wherein the new pipe is configurable into a “C” shape,wherein the core pipe ranges in length up to 10 miles, andwherein the core pipe is made inside a protective structure,the new pipe comprising a stand-alone replacement for a host pipe for use within the host pipe. 17. The core pipe of claim 16 wherein the plurality of individual pipe sections are welded together. 18. The core pipe of claim 16 wherein the plurality of individual pipe sections are butt fusion welded together end-to-end using a fusion welding machine. 19. A method for making a core pipe suitable for insertion into a host pipe to replace the host pipe, without the application of energy to the core pipe before or after insertion, the method comprising welding together a plurality of sections of pipe to form a new pipe, the pieces made of temperature-resistant corrosion-resistant material, the new pipe having an outer surface, an inner surface, a first end and a second end and a flow channel therethrough from the first end to the second end,wrapping the new pipe with a first strengthening wrap,wrapping the new pipe with a second strengthening wrap,securing a plurality of pulling tapes on the new pipe,configuring the new pipe to facilitate insertion thereof into a host pipe,wrapping the new pipe following deforming with a plurality of tapes to maintain the new pipe in a reformed shape during insertion into a host pipe, andwrapping the new pipe with a protective outer wrap to protect the pipe during installation in a host pipe,the new pipe having a wall thickness of between about 4 mm and 7 mm,the new pipe comprising a stand-alone replacement for a host pipe for use within the host pipe. 20. The method of claim 19 wherein the plurality of individual pipe sections are butt fusion welded together end-to-end using a fusion welding machine. 21. The method of claim 19 further comprising applying a plurality of sensors to the new pipe before deforming the pipe. 22. The method of claim 19 further comprising after securing the pulling tapes to the new pipe, wrapping the new pipe with a third wrap and a fourth wrap to secure the pulling tapes in place. 23. The method of claim 19 wherein the core pipe ranges in length between a few hundred feet up to 10 miles. 24. The method of claim 19wherein the new pipe is made of HDPE,wherein the first strengthening wrap and the second strengthening wrap are made of high strength fabric material,wherein the pulling tapes are carbon fiber tapes,wherein the protective outer wrap is a sleeve of HDPE film,wherein the third wrap comprises a plurality of high strength fiber tows, andwherein the fourth wrap comprises a plurality of high strength fiber tows. 25. The method of claim 19 wherein a plurality of fiber optic sensors on the new pipe provide signals indicative of one of tension applied to the new pipe, leaks of the new pipe, movement of the new pipe, and temperature along the new pipe, the method including with a control system, monitoring tension on the new pipe as the core pipe is made. 26. A method for pulling a core pipe into a host pipe, the method comprising inserting a pulling rope through a host pipe so that the pulling rope extends through the host pipe,connecting the pulling rope to pulling tapes of a core pipe, the core pipe comprising a new pipe made of temperature-resistant corrosion-resistant material, the new pipe having an outer surface, an inner surface, a first end and a second end and a flow channel therethrough from the first end to the second end, a first strengthening wrap around the new pipe, a second strengthening wrap around the new pipe, a plurality of spaced-apart pulling tapes positioned longitudinally on the new pipe, the new pipe reformable to facilitate insertion into a damaged host pipe, and a protective outer wrap on the new pipe for protection during insertion into the host pipe, the new pipe having a wall thickness of between about 4 mm and 7 mm, the new pipe comprising a plurality of individual pipe sections connected together and comprising a stand-alone replacement for the host pipe,pulling the pulling rope with pulling apparatus to pull the core pipe into the host pipe until an end of the core pipe reaches an end of the host pipe and core pipe is along the entire length of the host pipe,without applying energy to the core pipe before or after insertion of the core pipe into the host pipe. 27. The method of claim 26 wherein the plurality of individual pipe sections are welded together. 28. The method of claim 26 wherein the plurality of individual pipe sections are butt fusion welded together end-to-end using a fusion welding machine. 29. The method of claim 26 further comprising sealing the ends of the core pipe, andintroducing pressurized air into the sealed core pipe to return the core pipe to a pre-reformed shape. 30. The method of claim 29 further comprising testing the core pipe while sealed at operational pressure to verify integrity of the core pipe. 31. The method of claim 26 further comprising with a plurality of fiber optic sensors on the new pipe, controlling with a control system pulling of the core pipe in response to signals indicative of tension thereon during pulling. 32. The method of claim 26wherein the new pipe is made of HDPE,wherein the first strengthening wrap and the second strengthening wrap are made of high strength fabric material,wherein the pulling tapes are carbon fiber tapes,wherein the protective outer wrap is a sleeve of HDPE film,wherein the third wrap comprises a plurality of high strength fiber tows, andwherein the forth wrap comprises a plurality of high strength fiber tows.