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AnaLog Services, Inc. is often asked to rewind casing collar locator (CCL) coils and to upgrade downhole CCL amplifiers, and to upgrade CCL surface equipment. Over the years, we have developed a series of printed circuit boards (PCBs) using some of the best elements of the many designs out there. The downhole CCL amplifiers listed below are high gain units capable of operating in low voltage tools or in tools operating on a 120 volt line. 106CCL-1 and CCL-2a are universal amplifiers suitable for many applications. CCL-NCB is designed as a replacement amplifier for various older Comprobe tools with inferior amplifiers (pre TIP-120 designs), and is intended to be shrink wrapped in traditional Comprobe form (sometimes called the Comprobe "CCL in a bag"). CCLF1 is a low pass filter for installation in surface CCL processing equipment, and reduces the high frequency trash that sometimes cause problems with CCL logs (it is often installed with a switch whereby it can be selected in or out of the CCL processing circuitry as needed). The Shooting CCL Meter and the CCL Beeper PCBs are excellent for new installations or for upgrades. All PCBs listed below use readily obtainable components, which parts will continue to be available for many years to come.
Contact us if you have casing collar locators or surface CCL equipment needing an upgrade, or if you wish to obtain printed circuit boards for your own project.
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