Cased hole and production log evaluation provides longawaited information on the uses of cased hole logging tools in the following recoveryworkover applications. Cased hole and production log evaluation course objective. Single drum logging unit with tools and accessories. Its primarily used in openhole and casedhole environments to provide saturation, porosity, shale, and mineralogy information of the well. With over 76 years of cased hole logging experience, halliburton is qualified to solve all your casedhole challenges. Finally, the remainder of the formation is composed of quartz, feldspar, and mica minerals. Production logging rmp virtual, online, training course. Enhanced co logging as an effective cased hole saturation monitoring solution. Since this first log was run, geophysical well logging has developed into a billion. The chfrplus and chfrslim cased hole formation resistivity tools provide true formation resistivity rt for combination with nuclear measurements to deliver an enhanced saturation evaluation that is equivalent to an openhole interpretation. Open hole logs are run before the oil or gas well is lined with pipe or cased. Basic well log interpretation chemistry physical sciences. At the end of the seminar the participant will be able to perform a full interpretation and will know the uses and applications of several. Sonic and ultrasonic measurement applications for cased.
This gl o macs open and cased hole log interpretation training course will utilise a variety of proven adult learning techniques to ensure maximum understanding, comprehension and retention of the information presented, the sessions will include visual, auditory and kinesthetic elements to cover the three different learning modalities. Highquality cased hole production logging, well integrity and reservoir evaluation solutions, in realtime and memory, for electric wireline, slickline and coiled tubing services. Click download or read online button to get cased hole applications book now. Introduction this course is intended for people who are interested in learning more about well logs.
Bhges casedhole wireline logging services enable you to reduce the risk of costly interventions and nonproductive time npt while increasing production efficiency. Cased hole and production log evaluation download cased hole and production log evaluation ebook pdf or read online books in pdf, epub, and mobi format. Learn the applications of cased hole logging tools to well log interpretation, casing integrity evaluation and reservoir production analysis and remedial operations. An example of a log generated from conducting the ultrasonic pulseecho and pitchcatch measurements in a 9. Cased hole logging and well integrity read cased hole. Well logging department cased hole logging units with tools. Petrophysical analysis performed on the data obtained through the wireline logs. Download pdf cased hole and production log evaluation. Interpretation of both flowing and shutin rst passes sho wed. Elan elemental log analysis interpretation of sw and lithology track 3 shows the original openhole water saturation.
Applied openhole log interpretation for geologists and. The spe foundation through member donations and a contribution from offshore europe. Home resource library cased hole log interpretation principles applications. If the salinity is low, the neutron lifetime is not determined by the chlorine concentration in. Most cased hole logs have a gr and casing collar log ccl for depth control.
Pdf download cased hole and production log evaluation pdf. Anyone taking this course should be somewhat familiar with oil or gas well design and terminology. Smolens 1996 book, cased hole and production log evaluation, plus a looseleaf workbook, are provided to participants of this. Since then the oilwater contact has risen to 7752 ft track 2shown by the rst sw of nearly 100% through the bottom section of the m1 sand. Interpretation of both flowing and shutin rst passes showed. Topics include the casedhole logging environment, reservoir fluid properties. Cased hole formation tester insitu cement permeability measurement.
The interpretation process was divided into two parts. Uses ultra software for basic log interpretation capable of processing some imaging services as well production log interpretation with kappa software. Cased hole log interpretation principlesapplications. Technical advances in pulsedneutron interpretation for. Casedhole logs, which are run after the well is cased, are used to assess the current. Understand the uses and interpretation of open and cased hole logging tools training methodology this training course will utilise a variety of proven adult learning techniques to ensure maximum understanding, comprehension. The high carbonoxygen ratio from 7702 to 7709 ft is a coal. The log shows a depth interval deep into the well that is made of nearly eleven meterhigh casings. Pdf reservoir characterization and identification of. Examples of the new lithology interpretation are provided for both open and cased hole environments. Pulsedneutron technology is a vital tool for engineers and petrophysicists to find oil and gas reservoirs and manage them more effectively. Basic well log interpretation free download as powerpoint presentation.
Log interpretation principlesapplications schlumberger. This covers corrosion mechanism and corrosion monitoring, leak detection and cement evaluation. A log example developed the data verification and interpretation process. Well logging, also known as borehole logging is the practice of making a detailed record a well log of the geologic formations penetrated by a borehole. Logging through casing began with the gamma ray log in the later part of the 1930s and this tradition has continued to the present. The natural gamma ray gr log is a recording of the natur al radioactivity of. With over 76 years of cased hole logging experience, halliburton is qualified to solve all your cased hole challenges. The many facets of pulsed neutron casedhole logging. Casedhole formation evaluation logs are playing a major role in efforts to increase recovery. Its primarily used in openhole and cased hole environments to provide saturation, porosity, shale, and mineralogy information of the well. Casedhole logging for evaluating bypassed reserves zenzebra.
Further details of both tool theory and evaluation techniques can be found in the western atlas wireline log analysis manual or the schlumberger log interpretation principles applications manual, both of which are widely available within most petroleum engineering offices. Elshahawi and others published enhanced co logging as an. In fields with connate water salinity 20,000 ppm chlorides, pulsedneutronlifetime pnl logs provide a convenient measurement of water saturation through tubing and casing. Topics include the cased hole logging environment, reservoir fluid properties. Cased hole logs by using quick look methods log interpretation. Reservoir characterization and identification of formation lithology from well log data of nahr umr formation in luhais oil field, southern iraq. Introduction to casedhole data acquisition and interpretation. Pdf enhanced co logging as an effective cased hole. Open and cased hole log interpretation an intensive 5 day training course 03 07 nov 2019, dubai 24oct18 this course is designed, developed, and will be delivered under.
Published in 1991, log interpretation principlesapplications provides a thorough background of log interpretation. Open and cased hole log interpretation training seminar. Open and cased hole log interpretation kensington training. This site is like a library, use search box in the widget to get ebook. An intensive 5 day training course open and cased hole log. These measurements give insight into formation and fluid properties of the reservoir and much more. Analysis of ancient logs is covered elsewhere in this handbook. We offer cement evaluation, reservoir monitoring, perforating, pipe recovery, casing evaluation and mechanical needs products and services. Cased hole analysis tool the cased hole analysis tool chat is a multiple sensor measurement platform capable of providing accurate data about reservoir rock parameters, reservoir. Our people make us who we are, and were proud of our talented and dedicated team of field engineers, data.
Cased hole applications download ebook pdf, epub, tuebl. The gamma ray log is used for depth correlation on many logging and wireline services. Expert and impartial data analysis and interpretation. A geologists first exposure to log interpretation can be a frustrating experience. Dale fitz has 36 years of experience as a petrophysicist doing openhole and casedhole log interpretation and production logging in both exploration and production environments. Petrophysics ip software was used for wireline log interpretation and petrophysical. Casedhole log analysis and reservoir performance monitoring. Chfrt cased hole formation resistivity tool schlumberger. Click download or read online button to cased hole and production log evaluation book pdf for free now. This course covers a wide range of topics that cover open hole formation evaluation and cased hole production logging and reservoir monitoring. This program is a comprehensive and uptodate course covering the new and traditional wireline diagnostic techniques for surveillance of cased wells. Cased hole and production log evaluation by james j.
The well was cemented with a class g cement of density 1. Cased hole and production log evaluation jim smolen. The name open hole is applied because these logs are recorded in the uncased portion of the wellbore. The cased hole analysis tool chat is a multiple sensor measurement platform capable of.
This book addresses vital issues, such as the evaluation of shale gas reservoirs and their production. Pdf casedhole reservoir saturation monitoring in mixed salinity. Published in 1989, cased hole log interpretation principlesapplications provides a thorough background in cased hole log interpretation, the process by which parameters measured through casing, e. Review all cased hole logs gr, spectral gr, neutron, sonic, density, resistivity, co, tdt. The neutron porosity log can be run in a hole, which has been cased with. Look, understand and interpret the signatures of open hole and. Cased hole log interpretation principlesapplications schlumberger.
A well log is a record of the well depth verses some physical parameter of the well. The various openhole services offered by schlumberger are discussed in some detail, together with essential methods of interpretation and basic applications. Well integrity evaluation with wireline logs plug and abandonment workshop 14th june, stavanger, norway alberto. Casedhole wireline logging services baker hughes, a ge. Cased hole dynamic tester chdt hole drilled through casing two pretests the need for a wft tool that can operate in cased hole is obvious, with applications to monitor changes in pressure, sample fluid and detect bypassed hydrocarbon zones.
Cased hole formation evaluation society of petroleum engineers. This interactive, applicationsdriven 5day training course will highlight the techniques and principles of the main open and cased hole logging tools used in the oil industry for professionals who needs to deal with wireline logs in their daily job. The course will teach the techniques and procedures to interpret open and cased hole logs including advanced technologies. All the different types of logs and their curves discussed in this text are of this type. Snapshot of production log results 4 of 109 wells spe 144326. First, we verified the log data quality and second, we applied a newly developed gas model to the log data providing gas saturation without any reliance on the previously determined oil and water saturation. Cased hole log analysis and reservoir performance monitoring by richard m. Introduction to casedhole data acquisition and interpretation this is a 3day course which is an introduction to cased hole data acquisition and interpretations.
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