Measurements include self-potential, natural gamma ray, acoustic travel time, formation density, neutron porosity, resistivity and conductivity, nuclear magnetic resonance, borehole imaging, well bore geometry, formation dip and orientation, fluid characteristics such as density and viscosity and formation sampling. Some wells are contained with 20,000 psi and 30,000 psi equipment is in development also. Extend wireline perforating to deviated and complex wells and for conveying long, heavy toolstrings. Braided line has mechanical characteristics similar to mono-conductor wireline, and is used for well construction and maintenance tasks such as heavy duty fishing and well bore cleaning work. Improve production performance with lower cost using advanced-engineered, reinvented cables. We need a little more information from you before we can grant you access. 0000002015 00000 n 0000014140 00000 n This atomic interaction creates gamma rays which are then measured in the tool through dedicated detectors, and interpreted through a calibration to a porosity. They are used for light well construction and well maintenance activities as well as memory reliant subsurface data gathering. Single-conductor cables are similar in construction to multi-conductor cables but have only one conductor. The decay of this signal with time is caused by transverse relaxation and is measured by the CPMG pulse sequence.
0000001533 00000 n This current spike is sent uphole and logged as what's called a collar kick on the cased hole log.[3]. 0000022805 00000 n When producing wells require remedial work to sustain, restore or enhance production, this is called workover. Normal ratings for wireline pressure equipment is 5,000, 10,000, and 15,000 pounds per square inch. Used to place and recover wellbore equipment, such as plugs, gauges and valves, slicklines are single-strand non-electric cables lowered into oil and gas wells from the surface. 0000016899 00000 n The grease injector head is the main apparatus for controlling well pressure while running into the hole. We need a little more information from you before we can grant you access.
0000007044 00000 n 0000037507 00000 n The tool typically has two receivers, one three feet away from the receiver, and another at five feet from the transmitter. Nearly a century ago, we invented wireline. All specifications are subject to change without notice. 0000021430 00000 n StreamLINE cable is torque balanced and provided as a system with an integrated dual packoff and specially designed sealed torpedo, ensuring complete immunity from well fluids such as gas entering the cable. 0000026636 00000 n 0000036583 00000 n The grease head uses a series of very small pipes, called flow tubes, to decrease the pressure head of the well. 0000009087 00000 n The assembly is attached to the plug or packer by means of a setting mandrel and a sliding sleeve, which when "stroked" by the piston assembly, effectively squeezes the elastomer elements of the packing element, deforming it sufficiently to wedge it into place in the tubing or casing string. It is also useful for determining the location of the oil-water contact in a reservoir. Careful material selection and available corrosion-resistant coatings reduce maintenance costs in harsh conditions. %PDF-1.6 % Reliable and secure pressure control to efficiently deploy wireline tools downhole. 0000017404 00000 n As the CCL passes by a casing joint, or collar, the difference in metal thickness across the two magnets induces a current spike in the coil. This enables you to unlock higher operational efficiency and reduce HSE risk, especially for deepwater rigs and lightweight intervention vessels, such as in the Gulf of Mexico and the North Sea. Product was successfully added to your shopping cart. A quick test sub (QTS) is used when pressure testing the pressure control equipment (PCE) for repetitive operations. hbbd```b``@$dz&H`5y RXDq0Dr`RL I`5Y@Q&F^F pI endstream endobj startxref 0 %%EOF 484 0 obj <>stream The armor wires are high tensile, Galvanized Extra Improved Plow Steel (GEIPS), and coated with anti-corrosion compound for protection during shipping and storing. The compressional pulse originates in a transmitter at the top of the tool, which, when powered up on surface sounds like a rapid clicking sound. Enter the email address you signed up with and we'll email you a reset link.
Some resistivity tools have many electrodes mounted on several articulated pads, allowing for multiple micro-resistivity measurements. 0000001216 00000 n 0000037851 00000 n
In a log, there is a trade-off between the time needed for polarization and acquisition, logging speed and frequency of sampling. 0000027738 00000 n 0000000016 00000 n None of these are constants, so the correction has to be adjusted continuously between when starting the logging operation to recovery to the reference point (usually surface, or zero depth point, ZDP). 429 46 Consisting of single strands or multi-strands, the wireline is used for both well intervention and formation evaluation operations. A cased hole gamma perforator is used to perform mechanical services, such as shooting perforations, setting downhole tubing/casing elements, dumping remedial cement, tracer surveys, etc. *See attached specification sheet for recommended maximum temperature exposure times.
0000007152 00000 n
0000027227 00000 n This fluid will saturate the rock and change its electrical properties. 443 0 obj <> endobj 464 0 obj <>/Filter/FlateDecode/ID[<3C2FF214BCD345108AC0C4292A9B0692><4570F5DDC5C04A3DAE86725744877BF9>]/Index[443 42]/Info 442 0 R/Length 101/Prev 712380/Root 444 0 R/Size 485/Type/XRef/W[1 3 1]>>stream Get all the latest information on Events, Sales and Offers. This device is normally located just above the well control valves, providing protection to these important barriers from a dropped tool. 0000043847 00000 n 0000007877 00000 n If the wireline were to become severed from the tool, a ball check valve can seal the well off from the surface. 0000037539 00000 n hb```f``i @1V vY`{\r|Vd`(>R O+Q-S{n@O&]UM:$9B':X3:0`T R ":S/ H4"1mgb7>``!IFyax22|=(1;V@Z1&\ K endstream endobj 444 0 obj <>/Metadata 83 0 R/OpenAction 445 0 R/PageLayout/SinglePage/Pages 441 0 R/StructTreeRoot 137 0 R/Type/Catalog/ViewerPreferences<>>> endobj 445 0 obj <> endobj 446 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 13/TrimBox[0.0 0.0 612.0 432.0]/Type/Page>> endobj 447 0 obj <>stream The strength of the received gamma rays is dependent on the source emitting gamma rays, the density of the formation, and the distance between the source and the tool detector. Pack-offs can be hand pumped or compressed through a motorized pumping unit. trailer <<5D20B96E12A1431DA6B23F0DB60DBA5A>]/Prev 86740/XRefStm 1594>> startxref 0 %%EOF 295 0 obj <>stream You can download the paper by clicking the button above. The sonde responses are recorded continuously on the way up creating a so-called "log" of the instrument responses. 0000038591 00000 n
If the wireline were severed anywhere else along the line, the tool becomes much more difficult to fish.[4]. 0000003027 00000 n Most wireline tools are able to measure the resistivity at several depths of investigation into the bore hole wall, allowing log analysts to accurately predict the level of fluid invasion from the drilling mud, and thus determine a qualitative measurement of permeability. 0000028104 00000 n Academia.edu no longer supports Internet Explorer. trailer <]/Prev 187922/XRefStm 1533>> startxref 0 %%EOF 474 0 obj <>stream For oilfield work, the wireline resides on the surface, wound around a large (3 to 10 feet in diameter) spool. [2], A CCL operates on Faraday's Law of Induction. A flange attaches to the top of the Christmas tree, usually with some sort of adapter for the rest of the pressure control. Braided line can contain an inner core of insulated wires which provide power to equipment located at the end of the cable, normally referred to as electric line, and provides a pathway for electrical telemetry for communication between the surface and equipment at the end of the cable. The StreamLINE iX extreme-performance polymer-locked wireline cable is the industrys ultimate wireline cable that addresses all challenges related to conventional wireline deployment in well diagnostics, intervention, workover, and completion operations. After that, power can be applied through the tool to set off explosive charges for things like perforating, setting plugs or packers, dumping cement, etc. All orders will be shipped Ex-Works from our Sugar Land, TX Facility. Drilling Fluids, Well Cementing & Solids Control, All Drilling Fluids, Well Cementing & Solids Control, ChemWatcher Integrated Chemical Management System, Pipeline Integrity Monitoring and Leak Detection, Process Live Data-Enriched Performance Service, ACTive Real-Time Downhole Coiled Tubing Services, CoilTOOLS CT Intervention Tools and Solutions, All Surface Well Test Equipment Intervention, Retrievable Wireless Subsurface Safety Valve System, ProActive Drilling Asset Management Services, Schlumberger End-to-end Emissions Solutions, Integrated Projects and Asset Performance, Schlumberger Australia, New Zealand, and Papua New Guinea. Some modern nuclear tools use an electronically powered source controlled from the surface to generate neutrons. From now on you will receive all communication related to administration of this company. Since higher density materials absorb gamma rays much better than lower density materials, a gamma ray detector in the wire line tool is able to accurately determine formation density by measuring the number and associated energy level of returning gamma rays that have interacted with the rock matrix. StreamLINE iX cable delivers significant efficiency gains by eliminating grease injection and its environmental concerns for well control; the risks posed by armor stranding, birdcaging, and corrosion; maintenance trips to address twisting; and cable seasoning requirements.
Environmentally responsible with reduced safety risk, Greaseless operations and simpler pressure control equipment (PCE), Single-conveyance solution with faster speed and at least 40% friction reduction, Reliable in accessing extreme environments, Rated to 375 degF [191 degC], with sour-rated version available, 2-35 cable for regular services and 2-44 cable for high-power services, StreamLINE iX Cable: Technical Presentation. They are individually designed to provide any number of particular services, such as evaluation of the rock properties, the location of casing collars, formation pressures, information regarding the pore size or fluid identification and sample recovery. Second, the hydrogen atoms are tipped by a short burst from an oscillating magnetic field that is designed so that they precess in resonance in a plane perpendicular to B0. 0000011856 00000 n Different types of pressure waves can be generated in specific axis, allowing geoscientists to determine anisotropic stress regimes. 0000003151 00000 n Pressure equipment must be rated to well over the expected well pressures. Conductor resistance is measured at 68 F. Voids in the copper strand are filled with a water-blocking agent to reduce water and gas migration. The T2 distribution is the basic output of an NMR measurement. 0000033032 00000 n You must have JavaScript enabled in your browser to utilize the functionality of this website. 0000019035 00000 n Because StreamLINE iX cable is essentially a single element, it has the highest-possible integrity for performing wireline and basic slickline operations. A measurement of the nuclear magnetic resonance (NMR) properties of hydrogen in the formation. However, the longer times require either lower logging speed or less frequent sampling. Cable heads are typically custom built by the wireline operator for every job and depend greatly on depth, pressure and the type of wellbore fluid. 0000033385 00000 n A line wiper operates in much the same way as a pack-off sub, except that the rubber element is much softer. 0000012359 00000 n If the wireline exits that confined area under pressure, the pressure will force the steel ball up towards the hole where the wireline had been. 0000016976 00000 n Apt, suite, unit, building, floor, etc. Sorry, preview is currently unavailable. Electric line weakpoints are also located in the cable head. 0000015491 00000 n 0000005306 00000 n This is especially useful for determining small scale bedding and formation dip, as well as identifying drilling artifacts such as spiraling or induced fractures. To download this file you first sign in to your Schlumberger account. 0000000016 00000 n Multi-conductor cables can be sheathed in smooth polymer coverings but are more commonly open wound cables. 0000001594 00000 n 0000031007 00000 n The tool processes the gamma ray counts and sends the data uphole where it processed by a computerized acquisition system, and plotted on a log versus depth. A tool trap has the same purpose as a head catcher in that it prevents the tools from inadvertently dropping down the hole. 0000004789 00000 n The StreamLINE iX cable eliminates the need for grease injection, simplifying PCE. Sonic tools are also used extensively to evaluate the cement bond between casing and formation in a completed well, primarily by calculating the accentuation of the signal after it as passed through the casing wall (see Cement Bond Tools below). A hardened set of contoured pads expand when the piston is "stroked", indenting a small circle in the inner wall of the casing, and expanding the overall casing to make full contact with cement, packing material, or directly with the formation wall. (M)OPRZ6v\{M{SlK\>Bz9yA>s`? (Note that wireline diameters and performance characteristics are typically expressed in imperial units.) Wireline technology used by operators of oil and gas wells, Wireline pressure setting assemblies (WLSPA), Pressure control during wireline operations, Learn how and when to remove this template message, radiation source capable of emitting fast neutrons, http://wirelinehq.com/wireline-basics/wireline-casing-collar-locator/, http://wirelinehq.com/wireline-basics/cablehead/, https://en.wikipedia.org/w/index.php?title=Wireline_(cabling)&oldid=1043466238, Short description is different from Wikidata, Articles needing additional references from April 2012, All articles needing additional references, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 10 September 2021, at 06:54.