Found 42 datasets matching "hard rock".
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The main objective of the developed software is to reduce the cost per foot during drilling, in other words, optimize the drilling operational parameters in achieving optimum ROP while avoiding...
Search relevance: 143.81 | Views last month: 2 -
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
Search relevance: 91.37 | Views last month: 0 -
This file contains unprocessed drilling data tests on Sierra White Granite (SWG) using two new PDC bits. The tests were conducted at Sandia National Laboratories (SNL) in the Hard Rock Drilling...
Search relevance: 74.91 | Views last month: 0 -
Operational performance requirements are needed to support development of specifications for downhole motor power sections to be used for drilling hard rock during geothermal wellbore...
Search relevance: 55.80 | Views last month: 0 -
The Ocean Drilling Program (ODP) operated the drilling vessel JOIDES Resolution from 1984-2003 for over 100 cruises worldwide. The ODP was funded by the U.S. National Science Foundation and...
Search relevance: 53.12 | Views last month: 0 -
Polycrystalline diamond compact (PDC) bits are routinely used in the oil and gas industry for drilling medium to hard rock but have not been adopted for geothermal drilling, largely due to past...
Search relevance: 51.59 | Views last month: 0 -
The visual estimate data provided in this collection were gathered during towed-diver surveys around the Mariana Archipelago. During towed-diver surveys, the diver records the percentage cover of...
Search relevance: 49.32 | Views last month: 0 -
The visual estimate data provided in this collection were gathered during towed-diver surveys around the Hawaiian Archipelago. During towed-diver surveys, the diver records the percentage cover of...
Search relevance: 49.32 | Views last month: 0 -
The visual estimate data provided in this collection were gathered during towed-diver surveys around the Pacific Remote Island Areas. During towed-diver surveys, the diver records the percentage...
Search relevance: 48.66 | Views last month: 0 -
A 45-day mesocosom experiment was conducted to determine how well a perennial grass species (Bouteloua curtipendula) grew in mining wastes from southeastern Arizona. The experiment tested whether...
Search relevance: 48.45 | Views last month: 1 -
Re-vegetation of mining wastes is difficult due to the inhospitable conditions for plant growth. Our aim was to determine whether the combined addition of municipal waste compost and plant growth...
Search relevance: 48.45 | Views last month: 0 -
The visual estimate data provided in this collection were gathered during towed-diver surveys around American Samoa. During towed-diver surveys, the diver records the percentage cover of total...
Search relevance: 48.35 | Views last month: 0 -
These data represent the current Federal Mineral Estate in Utah. The minerals on Federal lands are divided into three categories, each subject to different laws and regulations. Locatable, which...
Search relevance: 47.89 | Views last month: 0 -
This dataset includes data for water, sediment, and biota samples collected at 250 locations in the northwestern Sierra Nevada and the Trinity Mountains during 1999–2012. The locations were chosen...
Search relevance: 42.19 | Views last month: 2 -
Bottom hole assembly (BHA) designs were assessed in field trials for their ability to achieve critical low inclination requirements, while simultaneously enabling high drill rates. Because angle...
Search relevance: 41.69 | Views last month: 0 -
These reports review Fervo Energy's construction of a commercial enhanced geothermal system (EGS). Fervo has qualified full functionality of the system through production testing at commercially...
Search relevance: 38.13 | Views last month: 0 -
The towed-diver method is used to conduct benthic surveys, assessing large-scale disturbances (e.g., bleaching) and quantifying benthic components such as habitat complexity/type and the general...
Search relevance: 37.20 | Views last month: 0 -
Two broadband seismometers were installed on the 4100 level and recorded for the duration of EGS Collab Experiment #2. Inspired by published data from similar instruments installed in the Aspo...
Search relevance: 37.07 | Views last month: 0 -
Annual growth increment patterns observed in the hard parts of many marine organisms are often related to factors in the physical environment, and investigators are increasingly using...
Search relevance: 36.14 | Views last month: 0 -
The towed-diver method is used to conduct benthic surveys, assessing large-scale disturbances (e.g., bleaching) and quantifying benthic components such as habitat complexity/type and the general...
Search relevance: 35.95 | Views last month: 0
