Abs keeps pace with changing industry demands, drawing on. The link to the updated version of this publication may be found at. Rules for building and classing mobile offshore drilling units consists of the nine 9 booklets as shown in table 1. Mobile offshore drilling unit modu dynamic positioning dp.
International maritime organization, code for the construction and equipment of mobile offshore drilling units, 1979 1979 modu code, imo resolution xi, as amended, a. Federal register mobile offshore drilling unit modu. Unless expressly specified otherwise, the requirements in the rules apply to mobile offshore drilling units for which contracts for construction are signed on or after 1 july 2017. The 2nd edition of the mobile offshore drilling unit modu inspection questionnaires and their accompanying inspection reports were introduced in september 2018. The ma arrangements, including portable equipment and attachments, are to. The ovid system is comprised of two fundamentals elements. A semisubmersible rig is a mobile offshore drilling unit better known as modu, which is designed for offshore drilling in ultradeep waters of the oil and gasrich areas across the globe.
This interpretation is to be contained in a section of the ma manual. Mobile offshore drilling unit modu or unit is a ship capable of engaging in drilling operations for the exploration or exploitation of resources beneath the seabed such as liquid or gaseous hydrocarbons, sulphur or salt. Most offshore exploration wells, many development wellsand most likely the majority of all deepwater wellare drilled using mobile offshore drilling units modus. Mobile offshore drilling units request pdf researchgate. Part 4 machinery and systems updated july 2019 american bureau of shipping. Mobile offshore drilling units hereinafter referred to as units in the rules as used herein are units or vessels capable of engaging in drilling operations for the exploration for or exploitation of resources beneath the seabed. Definition of mobile offshore drilling unit modu iadc. It was drilling an exploration well on the grand banks of newfoundland, 267 kilometres 166 mi east of st.
Federal register mobile offshore drilling unit guidance policy. Units which are designed as mobile offshore drilling. The coast guard is providing guidance regarding electrical equipment installed in hazardous areas on foreignflagged mobile offshore drilling units modus that have never operated, but intend to operate, on the u. One may ask why there are so many types, sizes, and capabilities of offshore units. The client was in the development stage of the ebok field, located offshore nigeria. Guidance on how to examine mobile offshore drilling units can be found in msm volume ii. The fleet has grown and evolved over time into larger more sophisticated rigs in response to operators movement into deeper water and more challenging environments. Today, abs classes the largest share of the worldwide mobile offshore drilling unit modu fleet. The guidelines were written to provide the worldwide offshore drilling industry a tool to bring together global health, safety and environmental principles applicable to drilling units. Mobile offshore drilling units are oceangoing vessels used to drill, complete and workover wellbores in marine environments. The fleet has grown and evolved over time into larger more.
Mobile offshore drilling units the liberian registry. These drilling operations are carried out from a mobile offshore drilling unit modu. Definition of mobile offshore drilling unit modu iadc lexicon. Mobile offshore drilling units, 2009 2010 edition errata on page 75, paragraph 5. Request pdf mobile offshore drilling units mobile offshore drilling units are oceangoing vessels used to drill, complete and workover wellbores in marine. To evaluate the scenario using the new technology risk assessment framework a mobile offshore drilling unit modu with conventional drilling equipment is considered. Offshore drilling units modus and mobile offshore units. United states coast guard mobile offshore drilling unit. International maritime organization legally binding document. Port facility means a location, as determined by the authority, where shipport interface takes place, and this includes areas such as anchorage, waiting berths and approaches from seaward. Alternatively, we expect to see an increase in demand for semisubmersibles and drillships in the coming years. Code for construction and equipment of mobile offshore drilling units.
The environmental protection agency epa has multiple responsibilities, with a representative serving as the vicechair of the national response team and regional response teams. The answer involves different technical, economic, government, and safety requirements to accomplish a specific drilling program. Iadc hse case guidelines for mobile offshore drilling units. This chapter describes the basic function of the deepwater horizon mobile offshore drilling unit modu. The code for the construction and equipment of mobile offshore drilling units, 2009 2009 modu code presents a major revision of the 1989 modu code prompted by the need to update the provisions for helicopter facilities on modus following amendments by the icao council in 2004. Oceans have provided us with the bulk of fossil fuels and they still continue to do so. Packed with technical data, the register continues to provide all of the detail familiar to readers of this long standing title. Oil and gas is drilled with help of different offshore structures, for example rigs and vessels. Ocean ranger was a semisubmersible mobile offshore drilling unit that sank in canadian waters on 15 february 1982. The awardwinning iadc hse case guidelines for mobile offshore drilling units modus have had a huge impact on safetymanagement for the global drilling industry. The fleet has grown and evolved over time into larger more sophisticated rigs in response to operators movement.
Regulations, policy and guidance documents andor links are available on the respective type of unit or vessel pages as follows. It has been designed to meet or exceed the requirements of the american bureau of shipping a1 selfelevating, mobile offshore drilling unit, the uscg and the imo. By order of the executive director office of the federal register washington, d. Fr 26562, mobile offshore drilling unit dynamic positioning guidance yes no provide a copy 2. These are large vessels that carry out the operation of exploring and exploiting of natural resources found deep below the seabed. International association of drilling contractors appendix 1. Is the modu currently voluntarily adhering with the above guidance examples listed below are not all inclusive check all that apply. However, if the changes involve a whole chapter, section or subsection, normally only the title will be in red colour. Offshore vessel inspection database ovid programme.
Semisubmersible rigs make stable platforms for drilling for offshore oil and gas. They are partially submerged in water during drilling operations and are normally moored to the sea bed by anchors. Crane unit a mobile offshore unit primarily intended for the lifting of heavy loads in oil drilling and production operations, offshore construction andor salvage operations. Interpretations of the mobile offshore drilling units modu iacs. Mobile offshore drilling units modus floating ocs facilities fofs, also commonly referred to as floating offshore. International association of drilling contractors north. The coast guard generally overseas the safety of systems at the platform level of a mobile offshore drilling unit. Rules and guidance for the classification of mobile offshore.
Accordingly, drilling from dp units is also common. Mobile offshore drilling unit means a mechanically propelled mobile offshore drilling unit, as defined in chapter ixii of the convention. Mobile offshore drilling unit modu or unit is a vessel capable of engaging in drilling operations for the exploration for or exploitation of resources beneath the seabed such as liquid or gaseous hydrocarbons, sulphur or salt. Mobile offshore drilling units are units that are modified or designed to be used in the exploration and drilling operations of oil and gas. Requirements concerning mobile offshore drilling units. Drillship a ship specially equipped to conduct drilling of oil wells at sea. Report on the purpose of mobile offshore drilling units modus and the economic impacts of rig construction in the united states. Design of arctic mobile offshore drilling unit kivi. The opep is a live document when the unit name is working on location and being used for. Under the ovid programme, the operator of any mobile offshore drilling unit modu that is the subject of a report was given a copy of that report and the opportunity to submit written comments relating to the report, to both the inspecting ocimf member and to ocimf. Outer continental shelf activities, 33 cfr 140147 20.
As of june, 2010, there were over 620 mobile offshore drilling rigs jackups, semisubs, drillships, barges available for service in the competitive rig fleet. They can be towed into position by a tugboat and anchored, or moved by and kept in position by their own azimuth thrusters with dynamic positioning the international maritime organization modu code is an accredited design and operational guideline for mobile offshore drilling units of the semisubmersible type. Mobile offshore drilling units built in accordance with the rules or their equivalent will. Through 40 years of operational success in harsh environments with semisubmersibles, drillships, jackups and modular drilling units the firm has accrued enormous experience and expertise. Oct 11, 2019 modu or mobile offshore drilling unit is a term for floating drilling units such as semisubmersibles, jackup rigs etc. Report of investigation into the circumstances surrounding the explosion, fire, sinking and loss of eleven crew members aboard the mobile offshore drilling unit deepwater horizon in the gulf of mexico, april 2022, 2010 volume 1 open pdf 20 mb this report examines the various causal factors surrounding the explosion, fire, sinking, and loss of crew members onboard the mobile offshore. Rules and guidance for the classification of mobile. Description code for the construction and equipment of mobile offshore drilling units, 2009 modu code, 2010 edition. Changes in this document are highlighted in red colour. Offshore refers to drilling of oil and gas reservoirs away from the seabed. The mobile offshore drilling unit modu inspection questionnaire modu2, which is an inspection.
The code for the construction and equipment of mobile offshore drilling units, 2009 2009 modu code presents a major revision of the 1989 modu code prompted by the need to update the. Requirements concerning mobile offshore drilling units prs. This opep is only applicable whilst the mobile drilling unit is on its working location and being used for offshore oil or gas operations or in connection with such operation within the ukcs. The amendments to the rules for 2016 edition and their effective date are as follows. Mobile offshore drilling units modu code was adopted in 1979 by resolution a.
Construction of mobile offshore drilling units, a loading plan is to be. The primary difference between a drillship and conventional vessel is the presence of a centre opening moonpool. Report of investigation into the circumstances surrounding. Gisis as a code for the construction and equipment of mobile offshore drilling units modu code equivalency. The purpose of the generic title abs rules for conditions of classification offshore units and. For example, a mobile offshore unit capable of crane service, pipe laying would be assigned the classification crane service, pipe laying service. Solas regulation iv8, 9, 10 and 11, when the unit satisfies the requirements of the modu code code for the construction and equipment of mobile offshore drilling units, 2009 no. It can be jackup, semisubmersible, bargetype or shipshaped. All mobile offshore drilling units are to meet the requirements of this chapter with regard to structural fire protection, protection of accommodation spaces, service spaces and control stations. Offshore vessel inspection database ovid programme mobile. An operating manual or equivalent is to be placed on.
Policy and guidance mobile offshore drilling unit modu. Mobile offshore drilling units modu code 2010 edition. Code for construction and equipment of mobile offshore drilling units name of standards organization. Hull construction and equipment rules for building and classing mobile offshore drilling units. Mobile offshore drilling unit or modu means a vessel, other than a public vessel of the united states, capable of engaging in drilling operations for exploration or exploitation of subsea resources. Critical activity mode of operation camo identified. Part of clarksons researchs comprehensive 2019 offshore vessel register series, the mobile offshore drilling units register remains the markets definitive register. The first offshore drillship was the cuss 1 developed for the mohole project to drill into the earths crust. All mobile offshore drilling units are to meet the requirements of this chapter with regard to structural fire. Abs keeps pace with changing industry demands, drawing on input from industry experts, including drilling contractors, operating companies, shipyards, design firms and academia, to improve its rules for building and classing mobile offshore drilling units modu rules and additional. Z15 hull, structure, equipment and machinery surveys of. International association of drilling contractors appendix. Nonselfpropelled mobile offshore units need not comply with the requirements for radio equipment of section 7, cf. Moducode 1989 code for the construction and equipment of.
International association of drilling contractors north sea. Layup of vessels for ship and mobile offshore units dnv gl as changes current this is a new document. International maritimeorganization, code for the construction and equipment of mobile offshore drilling units, 1989 1989 modu code, imo resolution a. Policy and guidance mobile offshore drilling unit modu this page has the following content applicable to modus click on item to be taken directly to that section. Jan2019 i mi293 issue and revision history irh series date mmyy description entered by entered mmddyy rev. Modu code 2009 code for the construction and equipment of.
Petropedia what is mobile offshore drilling unit modu. Mobile offshore drilling units are considered to be offshore installations only when they are stationed in offshore waters for drilling, production or other activities associated with offshore. Odfjell drilling prides itself on its past heritage, present fleet and future potential in the field of mobile offshore drilling units modus. While every effort has been made to ensure the accuracy of the information contained within this publication, neither iadc, nor any of its members will assume liability for any use made. For essential services related to drilling systems and equipment, see 41. The first drillship went into service in california in 1956, and the first semisubmersible began working in the gulf of mexico five years later.
This complementary printing of the mobile offshore unit mou standards mi293 will not be automatically supplemented, and therefore, may be out of date. Mobile offshore units norwegian maritime authority. Mobile offshore drilling unit modus if geological predictions based on seismic surveys show that a particular offshore area offer promising prospects for finding oil, a well is drilled to examine these predictions. A mobile offshore drilling unit, shortly modu, is a ship capable of engaging in drilling operations for the exploration or exploitation of resources beneath the sea bed, such as liquid or gaseous hydrocarbons. Drilling tender a mobile offshore unit primarily intended as support to an offshore drilling platform. Offshore drilling industry and rig construction market in. When a mobile offshore drilling unit safety certificate is issued to a modu by an administration or its. The purpose of the code for the construction and equipment of mobile offshore drilling units, 1989, hereinafter referred to as the code, is to recommend design criteria, construction standards and other safety measures for mobile offshore drilling units so as to minimize the risk to such units, to the personnel on board and to the environment.
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