Name of the Project No. 3 Oil Production Plant 2017 Ground Pipeline and Heating Coil (including valve group) High-pressure gas water NC pulse cleaning maintenance technology service

Item Number-CQYT-0002243
I. Tender conditions
This service project has fulfilled the relevant approval and filing procedures as required. The funds have been implemented and the conditions for tendering have been met.
II. Overview and scope of tender
2.1 Project Overview Ground pipeline and heating coil (including valve group) High-pressure gas and water numerical control pulse scale maintenance technology service project belongs to Changqing Oilfield Branch No.3 oil production plant Oilfield production routine maintenance project in 2017, the project is located in Ningxia Yanchi County, Shaanxi Dingbian County, Jingbian County, Wuqi County, Zhidan County.
2.2 Scope of Bidding This project involves the implementation of high-pressure gas-water numerically controlled pulse cleaning of some water injection, gathering and transmission pipelines, digital skid heating coils, water jacket boiler coils and valve groups (including import and export pipeline networks) under the jurisdiction of the Third Oil Production Plant. . For the project management requirements, the following content will be tendered. Bid Section (Standard Package) Division: First Lot: Hongjingzi Oil Production Operation Area, Dashui Pump Production Area, Youfangzhuang First Oil Production Area, Youfangzhuang Second Oil Production Area, Hujianshan Oil Production Area, Wuqi oil extraction operation area, Xinzhai oil extraction operation area water injection, gathering pipelines, digital skid heating coils, water jacket boiler coils and valve groups (including import and export pipeline network) scale, located in Yanchi County, Ningxia, Shaanxi Province, Dingbian County and Wuqi County involve about 20 pipelines, about 50km; Second Lot: Wuliwan No. 1 Oil Production Area, Wuliwan No. 2 Oil Production Area, Hulangyu Oil Production Area, Panguliang Oil Production Area, Hao The Guliang oil extraction operation area, Tongzhai oil extraction operation area water injection, gathering and transmission pipelines, digital heating coils, water jacket boiler coils and valve groups (including import and export pipeline network) are cleaned, located in Jingbian County, Shaanxi Province. Dan County and Wuqi County involve about 15 pipelines, about 40km; the above workload is estimated, and new related work within the project term also belongs to this project. The bidder may bid on the two bids, and the bids are individually evaluated by the bid evaluation. The same bidder can only bid on one bid, and the bid winners of the first bid winner in the top bid are not listed in the order of the bid. Then go to the recommendation of the successful candidate in the follow-up bid. 2.3 Service Equipment: It has high-pressure CNC gas-water pulse professional scaling tools (pressure pinch, cement truck, CNC pulse device, cutting machine, welding machine and fire-fighting tools). It must be equipped with a special cement truck (work pressure ≥25MPa, Working capacity ≥ 20m3/h), 1 pressure windmill, 1 set of digital pulse equipment, 1 cutting machine, 1 welding machine. 2.4 Service Term: From the date of signing of the contract to December 31, 2017. 2.5 Service Standards: See Chapter 4 of the bidding documents for details. 2.6 The maximum price of this project is set as follows: (1) The maximum price of the injection pipeline within 3km is 26,000 yuan/bar, and the collection pipeline is 22,000 yuan/bar; over 3km part is settled directly at 0.1 yuan/km, no quotation is made; ( 2) The valve group (including the supporting import and export pipe network within the station) 10,000 yuan / month. (3) 360kw and below vertical water heaters heating coil 8,000 yuan / bar. (4) Digitized skid, horizontal heating furnace coils of 400kw and above are cleaned with 25,000 yuan/bar.
III. Bidder qualification requirements
3.1 The legal entities or other organizations registered within the territory of the People's Republic of China, whose business scope includes the relevant service content of this tender; 3.2 The bidder’s registered capital is not less than 5 million RMB; 3.3 has an effective safety production license; 3.4 has been with This bid has similar service performance and has corresponding technical service capabilities in terms of personnel, equipment, funds, etc. 3.5 Suppliers, constructors, and service providers entering oil fields must all make inquiries about the bribery files in the local procuratorate. This project requires all bidders to go to the Public Prosecutor's Office to investigate the files of bribery crimes, and the Prosecutor's Office issued the “Notice of the Prosecutor’s Office inquiring about bribery files” (referred to as the “letter”) within the last two months; the bidders submit the bid documents. The original must be accompanied by an original letter or a clear, color scan. If the "Notice" QR code cannot be identified, its bid document will be rejected. 3.6 This project does not accept bids from the Consortium; 3.7 has a good corporate reputation.
IV. Acquisition of tender documents
Bidding Document Release Date: November 08, 2008, 09:00:00

LVDS Cable

Overview of THE LVDS interface


LVDS, Low Voltage Differential Signaling, is a Low Differential signal technical interface. A digital video signal transmission method is developed to overcome the disadvantages of high power consumption and EMI electromagnetic interference when transmitting wideband high bit rate data in TTL level mode. The LVDS output interface USES a very low voltage swing (about 350mV) to transmit data through differential on two PCB routing lines or a pair of balanced cables, i.e. low-voltage differential signal transmission. LVDS output interface enables signals to be transmitted at a rate of several hundred Mbit/s on differential PCB lines or balanced cables. Low voltage and low current driving modes enable low noise and low power consumption.


Composition of THE LVDS interface circuit

In LCD, THE LVDS interface circuit consists of two parts: the LVDS output interface circuit on the motherboard side (LVDS transmitter) and the LVDS input interface circuit on the LCD panel side (LVDS receiver). The LVDS transmitter converts TTL signals into LVDS signals, and then sends the signals to THE LVDS decoder IC of LVDS receiver on the LCD panel side through a flexible cable (cable) between the driver panel and the LCD panel. The LVDS receiver then converts the serial signals into parallel SIGNALS of TTL level and sends them to the LCD panel timing control and the line and line drive circuit.

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