Ulaanbaatar, Mongolia

Transportation Institute

www.insttrans.mn
Ulaanbaatar, Mongolia
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Patent
Public Joint Stock Company Transneft and Transportation Institute | Date: 2017-02-01

The invention relates to the field of engineering geodesy and may be used for monitoring of the condition, including position and deformation of pipelines. The technical result achieved during the use of the claimed invention is the use of the complex of interrelated monitoring measures that include the control position of deformation control benchmarks with the help of optic geodetic devices and with the help of mobile satellite geodetic receivers, the control the position of deep benchmarks with the help of mobile satellite geodetic receivers, the use of the state system of coordinates only at the initial stage for reference of the network sites to the local system of coordinates, geodetic measurements in the local system of coordinates, the decrease of the time and labor for works of detection of the oil pipeline coordinates for operational needs, simplification of the planned high-altitude position data exchange, storage and transfer during measurement at the increase of authenticity (precision) and the rate of formation of the result concerning the received data about the current position of pipelines and support, independent claims - 1, figures - 4.


Patent
Public Joint Stock Company Transneft, Joint Stock Company Transneft Siberia and Transportation Institute | Date: 2017-02-01

The claimed group of inventions relates to the construction of above-ground pipelines and can be used for laying pipelines in severe geological conditions, for example, in the conditions of permafrost, including the presence of a small surface slope. The technical result achieved when using the claimed group of inventions is to ensure the uniform distribution of the load from the pipeline to the bedding cradle, the possibility of displacement of the movable part of a pipeline support in given design conditions, prevention of deformation in the event of possible soil heaving through the implementation of compensating deformation of the unit bearing on a pile of the hinged type. The object is solved in that the movable pipeline support includes associated moving and fixed parts. In this case the movable part includes the cradle, made in the form of a semi-cylinder, at least with two semi-annular stiffeners (frames) located on the outside of the cradle, detachable half-yokes, providing fixation of the pipe in the cradle, side cheeks, rigidly welded to the frame and movably fixed to the tower base by hinge joint, while the base is made with the possibility of sliding movement along the stationary surface of the support. Also the objective is solved with structurally different performance of the supporting assembly, which is a bearing sleeve installed freely with a gap on two rigidly connected to the pile foundation half-rings in which is placed a support plate with a hole corresponding to the inner diameter of the sleeve, wherein the plate is connected with the sleeve with the vertical rails and a horizontal stiffeners that increase the rigidity of the supporting assembly.


Patent
Public Joint Stock Company Transneft, Joint Stock Company Transneft Siberia and Transportation Institute | Date: 2017-02-01

The claimed invention relates to the field of aboveground pipeline construction and can be used for construction of the pipeline supports under severe geological conditions, for example, under permafrost conditions. The technical result achieved during the use of the claimed invention is provision of stability, strength and immovability of the structure under high pressure that provides for the opportunity to change and to adjust the high-altitude position of the support. The task is solved in such way that for implementation of the method for installation of the saddle support to the design position suitable for control the pipeline upon the height during operation, consequently installing and tightly fixing the spool of the support on two support axes that are transverse beams installed in support frames with the opportunity to be moved with the support spool. After that, movable power-operated mechanisms installing under each support axis. These mechanisms lift or lower the spool with support axes to the design height while providing for correspondence of the spool slope angle to the design value and then fixing the achieved position by fixing support axes in frames on the design height and the relevant design value of the spool slope angle, weld butts of the support slope to the pipeline.


Patent
Public Joint Stock Company Transneft, Joint stock company Transneft Siberia and Transportation Institute | Date: 2016-08-02

The invention relates to thermal engineering construction, particularly to individual seasonal cooling devices, or temperature stabilizers of soils. The solution is aimed to expand temperature ranges at which temperature stabilizers can be installed and to prevent debris from sealing materials from entering into the well cavity having a coolant. The device contains a temperature stabilizer that functions as a two-phase thermal siphon and includes an aboveground condensing part and underground transporting and vaporizing parts. The temperature stabilizer is placed into the well along with coolant. The well is a hollow cylindrical body with a bottom and a capping element at a top end. The capping element includes a hole for receiving of the temperature stabilizer. The capping element is a detachable stuffing-box seal that includes a support ring installed on a round step in the well, a pressure ring, and thermally expanded graphite rings pressed therebetween.


Patent
Public Joint Stock Company Transneft, Joint stock company Transneft Siberia and Transportation Institute | Date: 2016-08-02

A method for installing pile foundations for power transmission towers or the like in different types of soil prone to frost heaving provides piles with bearing capacity against horizontal loads, reduced labor content and installation cost, and increased reliability against the impact of frost heaving forces of the soil on the pile. A casing pipe is driven in and then the pile is inserted into it, while installing rigid elements on the pile shaft by welding. When driving the pile, when a mark indicating a point of installation for a rigid element reaches the top of the casing pipe, a geometric measurement of gaps is made between the casing pipe and the pile. Based on the measurement, rigid elements are sized and welded in pairs on the opposite side in a vertical plane. The operation of placing and welding is then repeated during the pipe inserting.


Patent
Public Joint Stock Company Transneft, Joint stock company Transneft Siberia and Transportation Institute | Date: 2016-08-02

The disclosure relates to the construction of a support for above-ground pipelines and can be used for laying pipelines in in permafrost and on slopes. The result of the support is uniform distribution of the load from the pipeline to a bedding cradle, displacement of a movable part in response to predetermined conditions, and prevention of deformation due to soil heaving. The result is achieved due to inclusion of moving and fixed parts. The movable part includes a semi-cylindrical cradle with two semi-annular frames on the outside of the cradle, detachable half-yokes fix the pipe in the cradle, side cheeks welded to the frame and movably fixed to the tower base by a hinged joint, and a base slidably positioned on a stationary surface of the support. The objective is also solved using a support assembly being structurally different than prior art supports, as described herein.


Patent
Oil Transporting Joint Stock Company Transneft, Joint stock company Transneft Siberia and Transportation Institute | Date: 2016-08-04

The invention relates to the field of construction, particularly to welding of above- and underground high-strength pipelines with controlled heat input. Application of the invention will increase the load-bearing capacity of the pipelines made with the use of butt-welded pipes, pipe spools, pipe strings. The method includes joining of two or more cylindrical metal pipes, pipe spools and pipe strings by the welded ring butt with the use of the arc welding for the whole perimeter of the pipe. Criteria for a high-quality welded joint include optimal selection of parameters of the welding thermic cycle. The suggested welding method allows to have the optimal structure, high strength and viscoplastic properties in areas of the welded joint, to provide for the required load-bearing capacity of the pipeline and its reliability during operation.


Patent
Oil Transporting Joint Stock Company Transneft, Joint stock company Transneft Siberia and Transportation Institute | Date: 2016-08-02

A heat-insulated tank with a volume of 200-20,000 m^(3 )for storage of oil and oil products includes a heat-insulated wall, roof and bottom installed on a foundation. The wall and roof are equipped with supporting discharge skirts forming sections, the heat-insulated coating made of foam glass blocks that fill sections and form control joints in the heat insulation coating. The tank includes a top coat made of metal sheets located at an external surface of foam glass blocks. The foam glass blocks including a lower row of detachable blocks and additional rows coupled to each other and a surface of the tank via an adhesive. The technical result is improved safety and strength of the tank heat insulation at loads on its structure caused by filling and discharge of the raw material and environmental factors, and relatively even temperature control of the oil and oil products.


Patent
Oil Transporting Joint Stock Company Transneft, Joint stock company Transneft Siberia and Transportation Institute | Date: 2016-08-03

A method for installing driven cast-in-situ supports of pipes, power transmission towers, and in the mounting of buildings and structures on permafrost soils excludes the ingress of slurry and groundwater into the hole when installing driven cast-in-situ piles in permafrost soils in summer having a thawed seasonal freezing and thawing layer while avoiding the impact of frost heaving forces of soil from seasonal freezing conditions. The method includes driving a casing pipe at a depth of seasonal freezing and thawing of soil, drilling a pilot hole at a depth of not less than the depth of seasonal freezing and thawing of the soil, pouring hardening material in the amount required to fill in the space between the pilot hole walls and the pile from the bottom of the pilot hole to the bottom of seasonal freezing and thawing soil layer, installation of the pile in the pilot hole and poured mortar, and filling the remaining space between the pile and the casing pipe with non-frost heaving loose inert material.


Patent
Oil Transporting Joint Stock Company Transneft, Joint stock company Transneft Siberia and Transportation Institute | Date: 2016-08-02

A pipeline support for use in severe geological conditions such as permafrost provides stability, strength and immovability of the pipeline support under relatively high pressure and that that allows an adjustment of a height or slope of the pipeline support. A method of using the support includes controlling the height or slope angle of the support during operation of the pipeline support. A spool of the support is installed and fixed on two support axes that are transverse beams installed in support frames and that can be moved along with the support spool. After that, movable power-operated mechanisms are positioned under each support axis. These mechanisms lift or lower the spool and support axes to the desired height and slope. The support axes are then fixed in frames at the desired height and spool slope angle.

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