... mirror sides of fracture sample were made digitally as replica of original fracture samples. Molds of samples were printed with a Liquid Crystal Display (LCD) Ultra-Violet 3D printer using a selected 3D printing resin. Then the testing samples are made with cement that has appropriate mechanical...

... the potential to remove mass from the system and impact the cement's integrity. It is crucial to understand that the presence of CO 2 does not necessarily have a negative impact on the cement. The initial carbonation reactions can be beneficial, while the secondary reactions can be detrimental if they proceed...

... Abstract Various environmental studies conclude the process of cement production is a significant contributor to CO 2 emissions. The oilwell cementing community acknowledges the current practices may not be favorable for long term sustainability and is working towards alternative techniques...

... Sensors* Detect pressure changes in the subsurface environment due to HPL operations. Logging (pre & post job) PLT (Production Logging Tool) Measures fluid flow within the well to evaluate the success of the perforation. CBL (Cement Bond Log) Assesses the integrity and bonding...

... The fit-for-purpose cement design had the permeability measured before and after the 180-day exposure using air- and water-type permeability testers. Table 1 shows a summary of the permeability ( k ) results after exposure to wet-CO 2 . Table 1 Summary of the permeability results...

... on the transformative potential of CCS deployment. sedimentary rock sedimentology sedimentary geology geological subdiscipline environmental protection agency geologist mudrock reservoir geomechanics climate change cement clastic rock subsurface storage louisiana co 2 integrity structural geology...

... with coiled tubing for the perforation and stimulation of an upper zone above a production packer while sand jet perforating through two cemented casings. This paper explores a successful and cost effective method used to complete and stimulate an upper well zone. Factors that added to the complexity...

... and shape of the beam that focuses on the targeted formation. The perforation process is done by utilizing the power of a laser to melt, spall, or vaporize the formation. The laser perforation tool can perforate through the casing, cementing into the formation. The technology was deployed in a cased well...

... Abstract A foamed cement solution was designed and implemented to cement shallow intermediate casing strings in a heavy oil play in Northeast Alberta after conventional area-specific cementing solutions could not prevent surface casing vent flows. Analysis of the challenging well parameters...

... Abstract In every basin around the world, planned or contingency open hole sidetrack operations are commonplace in drilling operations. In the recent year, there has been an evolution of the open hole whipstock systems to reduce sidetrack time/cost associated with kicking off from cement plugs...

... of their performance. They improve well integrity through better cement bonding with the casing pipe and enhanced measurement of cement condition and additionally provide critical information for intervention and remediation. Nanocomposite surface treatments improve cement-to-casing bonding, reduce channeling...

... Abstract An explainable deep learning artificial intelligence (AI) model has been designed for instantaneous identification of the top of cement (TOC). Identifying TOC is a critical part for evaluating a well cementing operation and detecting unexpected fluid loss, cement contamination, hole...

... Malaysia, to help the Operator recover from Wellbore Instability and Loss Circulation issues and successfully drill and cement the problematic section. The main challenge of the well is the tight drilling window between depleted sand formation and the interlayered shale formation. Therefore, the MPD...

... nitrogen, conventional and foamed cements and syntactic foam as well as the variation in the earth formation. Water is used as a demonstration working fluid and the full spectrum of fluid behavior for all potential phase and quality regimes are accounted for throughout the circulation flow path...

... 76 3418 15:30 82 76 3420 Figure 27 Downhole temperature logger data for 22″ cement job Figure 29 Re-calibrated temperature of "heat sweep" over time compared with rig data Figure 25 Novel cementing system handling and installation Figure 26 Downhole...

... Abstract Diagenetic nodular anhydrite observed in fluvio-aeolian-lacustrine and glacial sandstones has significant implications to reservoir quality. This type of nodular cement is spatially and volumetrically variable within these reservoirs. Its presence impacts subsurface formation...

... Abstract Accurate characterization of oilwell cement mechanical properties is a prerequisite for maintaining long-term wellbore integrity. The drawback of the most widely used technique is unable to measure the mechanical property under in situ curing environment. We developed a high pressure...

... Abstract Ensuring wells’ cement mechanical integrity (CMI) is of paramount importance for the success of a thermal project. Failed cement sheaths can lead to loss of production, environmental pollutions, or even to well abandonment. Over time, CMI software applications have been developed...

... Abstract There are advantages to using high performance lightweight cement when encountering low bottomhole pressures. The most notable are maintaining wellbore stability during cement placement and the isolation of potential flow zones to achieve the wellbore construction objectives. Several...

... Abstract Cement quality is typically determined through the use of sonic logging tools, more commonly known as cement bond logs (CBLs), or more recently ultrasonic imaging tools (USITs). In general, these tools have served the industry well over time, but with the advent of new and exotic...