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Hape E6021 Quadrilla Race to the Finish, Wooden Marble Run - 58 pieces, Educational Construction Toys for 4 Years and Up & E6023 Quadrilla Mega Skatepark, Wooden Marble Run Accessories

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Appraisal – following data appraisal, operators may flow test the well before making further commercial decisions. This may involve undertaking one or more hydraulic fracturing procedures. Appraisal stage will typically require additional planning consent and a full environmental impact assessment. It is no secret that we asked the OGA to review the TLS in December 2018 following hydraulic fracturing operations and that remains a high priority for us and other UK shale operators. The upper operating limit, set at just 0.5 on the Richter scale, was purposefully positioned at an extremely conservative level, far below anything that can be felt at surface, much less cause any damage to people or property. The Government was very clear at the time about the intention to review this limit as operational experience and data became available. Didn’t you cause earthquakes when hydraulic fracturing at Preston New Road?

The work will be completed by the end of November and followed by flow testing of the well, with gas flow results expected early in 2020. ensuring appropriate treatment and management of any naturally occurring radioactive materials “NORM”); Once permissions have been obtained from the relevant regulators, all relevant consultees have been notified and permits are in pace, the OGA is responsible for issuing a consent to drill. The operator must notify the HSE of the well design and operation plans at least 21 days before drilling is due to start. Consent to drill Furthermore, other extractive industries – notably quarrying and deep geothermal – are not subject to the same restrictions as shale gas when it comes to induced seismicity and ground vibration. Given that we halt hydraulic fracturing activities at 0.5 ML, we are confident that our operations will not result in a level of seismicity that would be of a significant enough magnitude to cause damage. Why do Cuadrilla want the traffic light system reviewed?The purpose of exploration is to establish exactly how much gas a well could produce. Cuadrilla retained Anderson Thompson, a team of reservoir engineers, geoscientists and hydraulic fracturing specialists, to undertake analytical research on likely gas recovery volumes from horizontal wells to be drilled in the Lancashire Bowland shale. Anderson Thompson has broad international basin experience and specialist knowledge of the Permian, Eagle Ford, Bakken, Marcellus and Montney shale plays in North America. Very small movements will be detected due to the highly sophisticated monitoring system in place at PNR. The British Geological Survey (BGS), which monitors seismicity at PNR, has published comprehensive information here. In particular the BGS says:

You may also find our ePortal of interest which details key data in relation to traffic movements. QUESTIONS FROM THE COMMUNITY What are the benefits of Shale Gas?Operations stop for a period of 18 hours if a tremor of local magnitude (ML) 0.5 or greater is detected. This level is well below what could potentially cause any damage at the surface and this pause allows any further seismicity to be limited.

The mineralogy of the Lancashire Bowland shale has been analysed in detail using X-ray diffraction of shale core samples and cuttings taken from the Preese Hall well. This analysis has confirmed that both the Upper and Lower Bowland shales are very well suited to hydraulic fracturing as they are formed from a highly siliceous matrix with consistently low overall clay content and not reactive clays. How much gas will the wells produce?

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Once the gas is released in the tiny fractures, held open by the grains of sand, the gas travels up the well to surface. When the hydraulic fracturing is completed the flow rate of natural gas produced from each well is tested over period of approximately six months. We have said many times that the work at Preston New Road induced micro seismicity. Any movement underground is called an earthquake but as the British Geological Survey (BGS) says itself, those events detected at Preston New Road were far below anything they would normally be able to detect.

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