Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Well Construction Standards

In his statement, the well construction manager explained the role of one of the key documents, the Well Construction Standard (WCS), as follows ... [Pg.196]

There are over 750,000 wells in California, most of which were drilled for agricultural irrigation purposesw There is no inventory of an estimated one hundred thousand wells that have been either deliberately or indiscriminately abandoned. The Department of Water Resources has established standards of water well construction and abandonment. These standards are voluntary, however, and various counties apply them in different ways. [Pg.520]

During the drought year, 1977, over 20,000 new wells were drilled in California with nearly half of these in the Central Valley. The rate of well construction and abandonment is increasing by approximately 5 percent per year. Current state standards do not require sanitary seals on most agricultural wells. Thus, unless action is taken to reverse this situation, the problem of poorly sealed or repaired water wells which allow surface pollutants to reach ground water is likely to increase. [Pg.520]

Much useful information in crystal structure studies is often passed over by the authors themselves and has to be actively sought and recovered, either from the original publications or from databases. From the very early days, isolated bits of information were collected and used to construct tables of standard distances for various types of covalent bonds and of van der Waals radii for intermolecular contact distances, as collected in Pauling s influential book [41] and elsewhere, as well as standard dimensions for structural fragments that are important in biomolecular crystallography, such as the peptide moiety and the nucleic acid bases. [Pg.28]

The lack of specific direction from onshore management then apparently leaves work on the rig being done in accordance with company-written standards and other documentation. As the COO said, the [company] system relied upon the personnel involved in well construction following the requirements of the Well Construction Management System. .. it also relied on the expertise of the [rig] operator s supervisory personnel and the [company] drilling supervisors to monitor and check that the... [Pg.195]

The employer s duty under the construction standards to train and instruct employees in how to comply with OSHA standards and to avoid hazards in the work environment necessarily means that employers must present information in a manner that employees are able to understand. As OSHA stated in the OSHA Training Standards Policy Statement, dated 04/28/2010 Rjegardless of the precise reguiatory ianguage, the terms train and instruct, as well as other synonyms, mean to present information in a manner that employees receiving it are capable of understanding. ... [Pg.1381]

There is still a lack of well-developed standard testing methods and experimental procedures for FRP materials used in construction. [Pg.362]

Effective outcomes in safety and efficacy for a task depend on effective training and this depends on well constructed procedures. As much as we might not like to, we must recognize that on many occasions the procedure and the training must overcome poor equipment design, and possibly poor educational, literary or verbal standards. [Pg.531]

Through OSHA s development of broad general industry and construction standards that encompass virtually all industries as well as more specific standards addressing specific industries or hazards, a foundational base for compliance has been established. This expansive volume of standards and regulations addressing hazards in the workplace is strictly enforced through site inspections and penalties for noncompliance that can include monetary as well as criminal penalties. [Pg.10]

Appropriate use of the media iists [7] and of the recommendations for materiai reduction factors (see Section 1.6.3 ) can assure a iifetime of > 10 years for components under media influence. After successful proof of lifetime <= service life a binding agreement is reached for the supply of plastics or resin with a detailed media list, temperature data, creep curves, construction standards, etc., as well as the official disclosure of degradation data in company publications [649]. For example, for glass fiber reinforced sewer/pressurized sewage pipe, lifetimes between 10 years and 50 years can be selected. Figure 5.6. Specialty resin grades can be realized to adapt to most media. Media reduction factors Rj = 1.5 are recommended for service lives of 50 years. [Pg.440]

The modification method for soil removed by the sealed digging technique is now widely used. Future developments are anticipated. In order for this technique to be accepted more widely, it is necessary to develop auxiliary techniques to use soil removed from construction sites. Needed, in particular, are construction management and quality control, including the amount of additives added and mixing method used, as well as standardization in selection of additives and amount of additives. It is hoped that these problems can be solved based on actual use of materials and techniques. [Pg.1227]

Because MidAmerican Energy Corporation s gas construction standards do not estabhsh well-defined criteria for supporting plastic pipe connections to steel mains or for designing or installing its protective sleeves at these connections, these standards do not ensure that connections will be adequately protected from stress intensification. [Pg.351]

An important current standard consists of the new high- and low-noise models (NHNM and NHNM) (Peterson 1993) which in practice sets limits on the typical background motion at well-constructed vaults. It represented an improvement over the old noise models (OLNM and ONHM) because it included stations with the then-new STS-1 seismometer, the first high-quality very broadband sensor. These four models are plotted in Fig. 7 below. [Pg.1947]


See other pages where Well Construction Standards is mentioned: [Pg.190]    [Pg.198]    [Pg.76]    [Pg.68]    [Pg.190]    [Pg.198]    [Pg.76]    [Pg.68]    [Pg.792]    [Pg.124]    [Pg.448]    [Pg.173]    [Pg.820]    [Pg.25]    [Pg.103]    [Pg.108]    [Pg.317]    [Pg.126]    [Pg.333]    [Pg.94]    [Pg.130]    [Pg.240]    [Pg.374]    [Pg.214]    [Pg.278]    [Pg.30]    [Pg.20]    [Pg.173]    [Pg.150]    [Pg.944]    [Pg.196]    [Pg.275]    [Pg.95]    [Pg.611]    [Pg.1369]    [Pg.253]    [Pg.278]    [Pg.754]    [Pg.265]    [Pg.333]    [Pg.293]    [Pg.335]   
See also in sourсe #XX -- [ Pg.198 ]




SEARCH



Well Construction Standards purpose

Wells construction

© 2024 chempedia.info