Systems and methods for detecting movement of drilling/logging equipment
Remote sensing systems and methods for analyzing characteristics of moving drilling equipment, for example, rotational movement rate, longitudinal movement rate, geometry or combinations thereof, are provided. The sensing systems may include a detectable substance, marking equipment for marking the drilling equipment with the detectable substance, detection equipment for detecting the detectable substance and capturing data from which drilling equipment movement and/or geometry may be estimated, and processing equipment for estimating movement and/or geometry information from the captured data. The methods include marking the drilling equipment with a detectable substance, detecting the detectable substance, and using data captured during the detection to analyze movement and geometry of the drilling equipment.
1. A method for analyzing movement of drilling equipment, comprising:
a. marking oil and gas exploration equipment with a detectable substance resulting in a mark;
b. providing a detector having an optical component, a field-of-view, and a cap spaced apart a distance from the optical component;
c. continuously injecting a fluid across the optical component wherein the cap is configured to direct the continuously flowing fluid around the optical component;
b. capturing a first set of data relating to the mark when the mark moves through the field-of-view and is at a first location in the field-of-view;
c. capturing a second set of data relating to the mark with the detector when the mark continues to move through the field-of-view from the first location to a second location; and,
d. estimating at least one of longitudinal movement rate, rotational movement rate, and geometry of the drilling equipment from the first data and the second data.
2. A method according to claim 1 , wherein the equipment is chosen from: drilling pipe, coiled tubing, slick line, and logging cable.
3. A method according to claim 1 , wherein the detector captures at least the first set of data and second set of data before the mark leaves the field-of-view.
4. A method according to claim 1 , wherein the first set of data and second set of data is processed in real-time and results in an estimate of one or more of the longitudinal movement rate, rotational movement rate, or both of the equipment.
5. A method according to claim 1 , wherein the set of data captured is used to measure diameter, length profile, or both of the equipment.
6. A method according to claim 1 , wherein the detector comprises a plurality of photodetectors, and estimating comprises using a processor comprising a plurality of processing elements, wherein each of the plurality of processing elements corresponds to a photodetector and each of the plurality of processing elements process the first data and the second data from each of the plurality of processing elements' corresponding photodetector and at least one neighboring photodetector facilitating determination of 2-D data.
7. A method according to claim 1 , wherein the detector is multiple photodetector arrays for capturing images from different angles of view.
8. A method according to claim 1 , wherein the detectable substance is a spray paint and marking comprises injecting spray paint onto the equipment using a spray paint injector.
9. A method according to claim 1 , wherein the equipment has a surface temperature and the detectable substance has a temperature different from the surface temperature and the detector is an infrared light detector.
10. A method according to claim 1 , where the detectable substance is a substance emits both visible and multiple wavelengths of light.
11. A method according to claim 1 , wherein the detectable substance is a fluorescent dye and the detector is a fluorescence light detector.
12. A system for detecting movement of a drilling equipment downhole, comprising:
a. a detector configured for use downhole, comprising:
an optical component;
a cap spaced apart from the optical component and configured to direct continuously flowing fluid around the optical component; and
a field of view;
b. a detectable substance;
c. an injector for marking the drilling equipment with the detectable substance;
d. a processor for estimating longitudinal movement rate, rotational movement rate, or both of the drilling equipment from data captured by the detector.
13. A system according to claim 12 , wherein the detector is an imaging module comprising: a plurality of photo detectors capable of capturing at least a first set of data relating to a first position of the detectable substance in the field-of-view and a second set of data relating to a second position of the detectable substance in the field of view as the detectable substances passes through the field-of-view.