PL84214B1 - - Google Patents

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Publication number
PL84214B1
PL84214B1 PL1973160594A PL16059473A PL84214B1 PL 84214 B1 PL84214 B1 PL 84214B1 PL 1973160594 A PL1973160594 A PL 1973160594A PL 16059473 A PL16059473 A PL 16059473A PL 84214 B1 PL84214 B1 PL 84214B1
Authority
PL
Poland
Prior art keywords
pontoon
semi
drilling
tower
water
Prior art date
Application number
PL1973160594A
Other languages
Polish (pl)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to PL1973160594A priority Critical patent/PL84214B1/pl
Priority to NL7400895A priority patent/NL7400895A/en
Publication of PL84214B1 publication Critical patent/PL84214B1/pl

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B35/4413Floating drilling platforms, e.g. carrying water-oil separating devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/04Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • B63B1/048Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with hull extending principally vertically
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/021Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/04Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • B63B1/041Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with disk-shaped hull
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/04Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • B63B2001/044Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with a small waterline area compared to total displacement, e.g. of semi-submersible type
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0039Methods for placing the offshore structure
    • E02B2017/0047Methods for placing the offshore structure using a barge
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0056Platforms with supporting legs
    • E02B2017/0073Details of sea bottom engaging footing
    • E02B2017/0086Large footings connecting several legs or serving as a reservoir for the storage of oil or gas

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)

Description

Przedmiotem wynalazku jest urzadzenie do pro¬ wadzenia wiercen podwodnych przy osadzeniu urzadzenia na dnie akwenu lub w stanie pólza¬ nurzonym, w celu poszukiwania i eksploatacji zlóz, zwlaszcza do poszukwan i eksploatacji zlóz ropy naftowej pod dnem szelfu kontynentalnego z za¬ stosowaniem obrotowych metod wiertniczych.Dotychczas znane urzadzenia do prowadzenia wiercen podwodnych przy osadzeniu na dnie akwe¬ nu lub w stanie pólzanurzonym skladaja sie z plat¬ formy, usytuowanej w kazdym stanie pracy nad powierzchnia morza, z wiezy wiertniczej z wypo¬ sazeniem wiertniczym, zblizonej do stosowanych w praktyce ladowej, ustawionej na platformie oraz z kadlubów podwodnych polaczonych z platforma wypornosciowymi wspornikami.Wada dotychczas stosowanych urzadzen jest po¬ dzial konstrukcji na czesc robocza, zawierajaca platforme z wieza i czesc nosna, obejmujaca ka¬ dluby podwodne i wsporniki. Wynika z tego ko¬ niecznosc stosowania duzych rozmiarów platfor¬ my w plaszczyznie poziomej dla zapewnienia na¬ lezytej statecznosci, co w sumie prowadzi do sto¬ sowania urzadzen znacznie przewymiarowanych w stosunku do rozmiarów niezbednych do pomie¬ szczenia wyposazenia i zalogi. Duze rozmiary sto¬ sowanych urzadzen sa glówna przyczyna znacz¬ nych kosztów ich budowy.Celem wynalazku jest zastosowanie urzadzenia do prowadzenia wiercen podwodnych przy osa- dzaniu urzadzenia na dnie akwenu lub w stanie pólzanurzonym, pozbawionego tych wad.Urzadzenie do prowadzenia wiercen podwodnych przy osadzeniu urzadzenia na dnie akwenu lub w stanie pólzanurzonym wedlug wynalazku stano¬ wi wodoszczelna wieza wiertnicza, wzajemnie prze¬ suwna w pionie wzgledem pontonu i polaczona w dolnej czesci na stale z podstawa pontonowa.Zaleta urzadzenia wedlug wynalazku jest to, ze czesc nosna urzadzenia jest równoczesnie czescia robocza, w zwiazku z czym rozmiary urzadzenia zblizone sa do rozmiarów niezbednych do pomie¬ szczenia wyposazenia i zalogi, przy jednoczesnym zachowaniu nalezytej statecznosci urzadzenia we wszystkich stanach eksploatacyjnych i odpornosci na warunki hydrologiczno-meteorologiczne podczas wiercen.Przedmiot wynalazku przedstawiony jest na ry¬ sunku, na którym fig. 1 przedstawia urzadzenie przygotowane do holowania na miejsce pracy, fig. 2 zanurzenie urzadzenia przez napelnienie zbior¬ ników balastowych dla osiagniecia stanu pracy, fig. 3 stan pracy przy osadzeniu urzadzenia na dnie akwenu, fig. 4 urzadzenie pracujace w sta¬ nie pólzanurzonym, a fig. 5 przekrój urzadzenia w czasie pracy przy osadzeniu na dnie akwenu.Urzadzenie do prowadzenia wiercen podwodnych przy osadzeniu na dnie akwenu lub w stanie pól¬ zanurzonym sklada sie z wodoszczelnej wiezy wiertniczej 1, przesuwanego wzgledem niej w pio- 8421484214 3 nie pontonu 2, mieszczacego czesc mieszkalna i podstawy pontonowej 3. Podczas pracy w sta¬ nie pólzamirzonym urzadzenie polaczone jest z dnem akwenu rura prowadnikowa 4. Wewnatrz urzadzenia znajduje sie pomieszczenie koryt plucz¬ kowych i cementowania 5, pomieszczenie silowni 6, pomieszczenie pomp pluczkowych 7, poklady ko¬ munikacyjne 8, 10, 9, 11, szyb wind towarowo-oso¬ bowych 12. Wieza zamknieta jest pokrywa luko¬ wa wiezy 13.Urzadzenie posiada zbiorniki cementu suchego 14, zbiorniki pluczki 15, stól obrotowy (rotor) 16, winde wiertnicza 17, pasy rur pluczkowych i okla¬ dzinowych 18, system dlawic i glowice przeciwwy- buchqw^j3jc|^owa—19jjblocze ruchome windy wiert¬ niczej , %t&jffip\ 5p^pllocze stale windy wiertni¬ cze! 21, urzadzenie s| balistu wodnego 23, zantrzjffJiT iffiftflffff, Imopodnoszace 22 zbiorniki la miejsce pracy, w wodzie ] podstawa 3, zapewniajaca plywalnosc urzadzenia w tym stanie. Przesuwny wzgledem wiezy 1 ponton 2, mieszczacy czesc mie¬ szkalna, oparty jest wtedy na podstawie pontono¬ wej 3. Przejscie do stanu pracy osiagane jest przez napelnienie zbiorników balastowych 23 w# podsta¬ wie pontonowej 3. Wieza 1 wraz z podstawa pon¬ tonowa 3 zanurza sie wtedy pod woda przesuwa¬ jac sie wzgledem pontonu 2, mieszczacego czesc mieszkalna, plywajacego w czasie tej operacji na wodzie i zapewniajacego zachowanie statecznosci calego urzadzenia.Prace wiertnicze prowadzone sa po osadzeniu urzadzenia na dnie akwenu lub po osiagnieciu stanu pólzanurzonego. Po osiagnieciu jednego z tych dwóch stanów ponton 2, mieszczacy czesc mieszkalna zostaje uniesiony wzdluz wiezy 1, na wysokosc przewyzszajaca zasieg najwyzszej fali.Przy osadzeniu na dnie akwenu zakotwiczenie urzadzenia osiagane jest poprzez wywarcie naci¬ sku na dno przez odpowiednie napelnienie zbior- ników balastowych 23.W stanie pólzanurzonym statecznosc urzadzenia zachowana jest dzieki temu, ze srodek ciezkosci urzadzenia znajduje sie ponizej jego srodka wy¬ poru. Zakotwiczenie urzadzenia w tym stanie moz- na osiagnac za pomoca kotwic lub dynamicznej metody utrzymywania stalej pozycji (dynamiczne zakotwiczenie). Dostarczenie materialów wiertni¬ czych, takich jak rury pluczkowe okladzinowe 18, cement odbywa sie poprzez luk 13 w górnej czesci wiezy 1. PL PL PL PL PL PLThe subject of the invention is a device for carrying out underwater drilling when placing the device on the bottom of a body of water or in a semi-submerged state, for the purpose of prospecting and exploitation of deposits, in particular for the exploration and exploitation of oil deposits under the continental shelf with the use of rotary drilling methods. Hitherto known devices for conducting underwater drilling when embedded on the bottom of an aquatic or in a semi-submerged state consist of a platform, located in all operating conditions above the sea surface, of a drilling rig with drilling equipment, similar to those used in land practice, on the platform and with underwater hulls connected to the platform with buoyant supports. The disadvantage of the devices used so far is the division of the structure into a working part, consisting of a platform with a tower and a load-bearing part, including submarines and supports. This results in the need to use large-sized platforms in a horizontal plane to ensure the required stability, which in total leads to the use of equipment significantly oversized in relation to the dimensions necessary to accommodate the equipment and crew. The large size of the devices used is the main reason for the significant costs of their construction. The aim of the invention is to use the device for conducting underwater drilling when placing the device at the bottom of a body of water or in a semi-submerged state, devoid of these disadvantages. at the bottom of the reservoir or in a semi-submerged state, according to the invention, it is a watertight drilling rig, mutually movable vertically in relation to the pontoon and permanently connected in the lower part to the pontoon base. The advantage of the device according to the invention is that the bearing part of the device is also a working part , therefore the dimensions of the device are close to the dimensions necessary to accommodate the equipment and crew, while maintaining the proper stability of the device in all operational conditions and resistance to hydrological and meteorological conditions during drilling. The subject of the invention is presented in the drawing, on the which Fig. 1 p Fig. 2 shows the device prepared for towing to the place of work, Fig. 2 - immersion of the device by filling the ballast tanks to achieve the working condition, Fig. 3 - the operational status when the device is placed at the bottom of the water body, Fig. 4 - the device working in a semi-submerged state, and Fig. 5 the cross-section of the device during operation at the bottom of the water body. The device for conducting underwater drilling when embedded at the bottom of the water body or in a semi-submerged state consists of a watertight drilling rig 1, moved relative to it in a vertical pontoon 2, containing the living area and the pontoon base 3. When working in a semi-frozen state, the device is connected to the bottom of the reservoir by a guide tube 4. Inside the device there is a washing and cementing trough room 5, a gym room 6, a flush pump room 7, communication decks 8, 10, 9, 11, passenger elevator shaft 12. The tower is closed with the tower hatch cover. there are dry cement tanks 14, flushing tanks 15, a rotary table (rotor) 16, a drill lift 17, belts of flushing and cladding pipes 18, a gland system and explosion-proof heads - 19 moving pulley of a drilling lift, % t & jffip \ 5p ^ weaves the drill lifts constantly! 21, device s | water balistu 23, zantrzjffJiT iffiftflffff, Imlifting 22 tanks la work place, in water] base 3, ensuring the floatability of the device in this condition. The pontoon 2, which is movable in relation to the tower 1, containing the housing section, rests on the pontoon base 3. The transition to the operating condition is achieved by filling the ballast tanks 23 in the pontoon base 3. Tower 1 with the pontoon base 3 submerges under the water, it moves against the pontoon 2, housing the living area, floating during this operation on the water and ensuring that the stability of the entire device is maintained. Drilling work is carried out after placing the device on the bottom of the reservoir or reaching a semi-submerged state. When one of these two states is reached, the pontoon 2, housing the accommodation part, is raised along the tower 1, to a height exceeding the range of the highest wave. When embedded at the bottom of the water body, the device is anchored by exerting pressure on the bottom by properly filling the ballast tanks 23 .In the semi-submerged condition, the stability of the equipment is maintained by the fact that the center of gravity of the equipment is below its center of buoyancy. Anchoring of the device in this state can be achieved by using anchors or a dynamic method of holding a steady position (dynamic anchoring). The delivery of drilling materials, such as casing flush pipes 18, cement is carried out through the hatch 13 in the upper part of the tower 1. PL PL PL PL PL PL

Claims (1)

1. Zastrzezenie patentowe 25 Urzadzenie do prowadzenia wiercen podwodnych przy osadzeniu urzadzenia na dnie akwenu lub w stanie pólzanurzonym, znamienne tym., ze stano¬ wi go wodoszczelna wieza wiertnicza (1), wzajem¬ nie przesuwna w pionie wzgledem pontonu (2) 30 i polaczona w dolnej czesci na stale z podstawa pontonowa (3). Fig.184214 V_ i i !_L l I i—r Z Fig.Z _2_ i i i ¦ i 1 i i ^J_ 1 3 z. Fig.Z84214 2 V ^\ —V^ i \^ i 1 li 1 3 Fip.4 Fig. 5 DN z-3, zam. 2541/76 Cena 10 zl PL PL PL PL PL PL1. Claim 25 Device for carrying out underwater drilling when the device is mounted on the bottom of a water body or in a semi-submerged state, characterized in that it is a watertight boring tower (1), mutually movable vertically with respect to the pontoon (2) 30 and permanently connected at the bottom to the pontoon base (3). Fig. 184214 V_ ii! _L l I i — r Z Fig. Z _2_ iii ¦ i 1 ii ^ J_ 1 3 z. Fig. Z84214 2 V ^ \ —V ^ i \ ^ i 1 li 1 3 Fip.4 Fig. 5 DN z-3, order 2541/76 Price PLN 10 PL PL PL PL PL PL
PL1973160594A 1973-02-05 1973-02-05 PL84214B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL1973160594A PL84214B1 (en) 1973-02-05 1973-02-05
NL7400895A NL7400895A (en) 1973-02-05 1974-01-23 Fully or partly submerged underwater well-boring installation - of minimum dimensions for stability and efficiency towed on pontoons forming working and living accommodation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL1973160594A PL84214B1 (en) 1973-02-05 1973-02-05

Publications (1)

Publication Number Publication Date
PL84214B1 true PL84214B1 (en) 1976-03-31

Family

ID=19961570

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1973160594A PL84214B1 (en) 1973-02-05 1973-02-05

Country Status (2)

Country Link
NL (1) NL7400895A (en)
PL (1) PL84214B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO780642L (en) * 1977-03-03 1978-09-05 Doris Dev Richesse Sous Marine PLATFORM WITH UNDERWEAR CARRIER CONSTRUCTION
US20060275080A1 (en) * 2005-06-07 2006-12-07 Bp Corporation North America Inc. Method and Apparatus for Offshore Drilling in Ice-Infested Waters

Also Published As

Publication number Publication date
NL7400895A (en) 1974-08-07

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